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All Journal Jurnal Al-Ijtimaiyyah Studia Economica: Jurnal Ekonomi Islam Jurnal Masharif al-Syariah: Jurnal Ekonomi dan Perbankan Syariah At-Tawassuth: Jurnal Ekonomi Islam At-tijaroh: Jurnal Ilmu Manajemen dan Bisnis Islam Al-Masharif: Jurnal Ilmu Ekonomi dan Keislaman Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat EKONOMI, KEUANGAN, INVESTASI DAN SYARIAH (EKUITAS) Jurnal Paedagogy Al-Mubin: Islamic Scientific Journal El-kahfi : Journal of Islamic economics Jurnal Investasi Islam El-Ahli : Jurnal Hukum Keluarga Islam EKSYA: Jurnal Ekonomi Syariah Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Al Dzahab Jurnal Manajemen ADILLA: Jurnal Ilmiah Ekonomi Syari'ah Journal of Law, Poliitic and Humanities Maqdis: Jurnal Kajian Ekonomi Islam Journal of Artificial Intelligence and Digital Business AHKAM : Jurnal Hukum Islam dan Humaniora Amal: Jurnal Ekonomi Syariah Jurnal Ekonomi Kreatif Indonesia Mawaddah: Jurnal Hukum Keluarga Islam Sharia Economic and Management Business Journal (SEMBJ) Al-Mubtadi : Jurnal Pendidikan Guru Madrasah Ibtidaiyah Jurnal Ilmiah Multidisiplin Ilmu Assyarikah: Journal Of Islamic Economic Business Wealth: Journal of Islamic Banking and Finance J-Mabisya PESHUM Al-Hayat: Journal of Islamic Education Risalah Iqtisadiyah: Journal of Sharia Economics Jejak digital: Jurnal Ilmiah Multidisiplin JIMEK AICOS JIEFIS: Journal of Islamic Economics and Finance Studies Jurnal Ekonomi, Manajemen, Akuntansi dan Keuangan JIBF MADINA : Journal Islamic Banking and Finance Madina
Paisal Rahmat
Sekolah Tinggi Agama Islam Negeri Mandailing Natal
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Constructive Philosophy: From Innovation of Financial Institution Services Towards A Progressive Islamic Economy Paisal Rahmat; Marlian Arif Nasution; Fadhilah Hanum Lubis; Widia Sulastri
Journal of Islamic Economics and Finance Studies Vol. 1 No. 1 (2025): June
Publisher : Journal of Islamic Economics and Finance Studies

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

One measure of the success of Islamic banking can be achieved if the bank has a large number of customers. The number of customers is certainly based on good service quality. Based on this, the purpose of this study was to analyze the innovations that were built in improving service quality at the Mandailing Natal branch of Indonesian Sharia Bank. This study uses field research methods that are oriented towards in-depth interviews directly at the research location. The results obtained are that the bank always prioritizes good moral ethics towards customers, trains communication skills, complete attributes, and evaluates customers on employees in a consistent manner. Customer service must have expertise in the field of communication, which must be taken into account because each customer has different characteristics, so clear and directed communication is needed so that misunderstandings do not arise. Identification marks are always shown so that customers recognize the employee. If at any time the service provided to the customer is less than positive, the customer can report the customer service employee to evaluate his performance by simply stating the name of the employee himself and a thorough evaluation of the employee's performance.
Fundamental Analysis of Islamic Investment Rahmi, Aida; Ibs, Juni Khairani; Rahmat, Paisal; Pulungan, Ahyar Hamdi
Assyarikah: Journal of Islamic Economic Business Vol 6, No 2 (2025): Assyarikah: Journal Of Islamic Economic Business
Publisher : Al-Amien Prenduan for Islamic Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28944/assyarikah.v6i2.2198

Abstract

This study discusses fundamental analysis in Islamic investment. Fundamental analysis is the main approach used by investors to assess whether sharia-compliant stocks are viable in the capital market. In this study, a literature review approach is adopted, drawing from various scientific articles and research related to fundamental analysis in Islamic investment. The findings indicate that fundamental analysis involves evaluating macroeconomic conditions, industry developments, and company financial statements. This helps investors reduce risks and increase the likelihood of gaining long-term profits. The application of fundamental analysis also requires investors to ensure that the selected companies are free from elements of riba (usury), gharar (uncertainty), and maysir (gambling or speculation), thereby complying with sharia criteria. Therefore, fundamental analysis in Islamic investment is a crucial element in making responsible and sustainable investment decisions in accordance with sharia principles.
STRATEGI BAPPERIDA DALAM MENDORONG PENGEMBANGAN INOVASI DAERAH DI KABUPATEN MANDAILING NATAL Paisal Rahmat; Rahmad Hidayat Lubis; Reza Fansyuri; Juni Khairani; Aida Rahmi; Eli Saharni; Nur Aliyah
Jurnal Ilmiah Multidisiplin Ilmu Vol. 3 No. 1 (2026): Februari : Jurnal Ilmiah Multidisiplin Ilmu (JIMI)
Publisher : CV. Denasya Smart Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69714/vcbgey07

Abstract

This study aims to examine Bapperida's strategy in promoting regional innovation in Mandailing Natal Regency. A qualitative approach with a case study design was used. Data collection was conducted through in-depth interviews with key informants, observation of innovation activities, and review of regional planning and policy documents such as the RPJMD and RKPD. The findings indicate that Bapperida plays a crucial role as a policy maker and coordinator in integrating innovation into regional development planning documents. In addition, Bapperida functions as a facilitator that encourages cross-sector collaboration, including with the tourism, health, and fisheries agencies, to expand the application of innovation. The implementation of the strategy is carried out through strengthening coordination, facilitating collaborative forums and capacity-building workshops, assisting regional apparatus, and providing funding support for pilot projects. However, the effectiveness of the strategy still faces obstacles in the form of limited human resources and budget, weak coordination between regional agencies, and a monitoring and evaluation system that is not yet optimal. Therefore, optimization efforts are needed through increasing human resource capacity, developing innovation guidelines and SOPs, integrating innovation into the RKPD, and developing incentive mechanisms and sustainable regional performance evaluations.
The Axiology of Waqf in Islamic Education: A Hermeneutic Analysis of Junaid Thola's Thought Nasution, Marlian Arif; Ikbal, Muhammad; Rahmat, Paisal
Al-Hayat: Journal of Islamic Education Vol. 10 No. 2 (2026): Al-Hayat: Journal of Islamic Education
Publisher : LETIGES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35723/ajie.v10i2.288

Abstract

The limited capacity of pesantren to develop Islamic education oriented toward institutional self-reliance in Mandailing Natal indicates an axiological problem in the management of waqf as a value-based instrument of education. In this context, the thought of Junaid Thola offers a historical–contextual perspective on waqf as the axiological foundation of Islamic education. This study aims to examine the relevance of Junaid Thola’s thought in Kaifiyyat (1927) as a basis for developing an Islamic education model grounded in Pesantrenpreneurship and productive waqf. The researchers employed a qualitative methodology with a multiple-case study design and conducted the study in six pesantren in Mandailing Natal (Musthafawiyah, Al-Junaidiyah, Darul Ikhlas, Darul Ulum, Darul Hadis, and Roihanul Jannah). A constructivist–interpretive approach is integrated with hermeneutic analysis to explore the relationship between classical Islamic texts and contemporary pesantren educational practices. The researchers collected data through in-depth interviews, observations, and document analysis and analysed them using interactive and abductive techniques supported by triangulation. The findings reveal that the relevance of Junaid Thola's thought within the context of pesantren-based Islamic education varies across institutions. Very high relevance is observed in pesantren with extensive waqf asset bases, whereas moderate relevance is found in pesantren with limited educational economic business units. Factors strengthening relevance include the availability of waqf assets and the coherence of leadership values with Islamic educational and business ethics, while limitations in physical assets function as constraining factors. Hermeneutic analysis of Kaifiyyat (1927) identifies 88 practical approaches to productive waqf encompassing six primary asset sources (agriculture, infrastructure, commerce, vocational activities, zakat, and collective contributions). These findings are synthesised into a Three-Pillar Axiological Model of Islamic Education, consisting of pesantren economic self-reliance (Asset Ontology), Islamic character education (Ethical Axiology), and Institutional Sustainability (Managerial Epistemology). This study contributes to the development of an integrative pesantren-based Islamic education model that bridges classical waqf thought with contemporary entrepreneurship-oriented educational practices.
Strategi Pemasaran Investasisyariah Di Era Influencer dan Media Sosial Adelina, Selvi; Pulungan, Indah Wahyuni; Rihalah, Saidah; Rahmat, Paisal
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 5 No. 1 (2026): Februari - April
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v5i1.7958

Abstract

Perkembangan teknologi digital yang masif telah membawa transformasi fundamental dalam strategi pemasaran global, tidak terkecuali pada industri investasi syariah. Penelitian ini bertujuan untuk menganalisis strategi pemasaran investasi syariah di era disrupsi digital, dengan fokus pada peran krusial media sosial dan influencer syariah dalam memengaruhi psikologi serta perilaku konsumen saat mengambil keputusan investasi. Metode penelitian yang digunakan adalah pendekatan kualitatif melalui studi kepustakaan (library research) yang menelaah berbagai referensi literatur ilmiah kontemporer. Hasil pembahasan menunjukkan bahwa pemanfaatan media sosial dan kolaborasi bersama influencer syariah memiliki peran strategis dalam meningkatkan literasi keuangan, membangun kepercayaan (trust) publik, serta memperluas jangkauan penetrasi pasar secara eksponensial. Meskipun demikian, penelitian ini mengidentifikasi beberapa tantangan signifikan, seperti rendahnya indeks literasi keuangan syariah di kalangan masyarakat luas, risiko misinformasi di ruang digital, serta isu kredibilitas pada sebagian komunikator digital. Di sisi lain, peluang pengembangan industri ini masih terbuka lebar seiring dengan meningkatnya tren gaya hidup halal (halal lifestyle) dan pesatnya kemajuan teknologi finansial (fintech). Sebagai rekomendasi, diperlukan integrasi strategi pemasaran yang mengedepankan edukasi berkelanjutan, optimalisasi konten digital yang informatif, serta pemilihan mitra influencer yang memiliki kompetensi syariah yang memadai. Seluruh strategi tersebut harus dijalankan dengan kepatuhan ketat terhadap prinsip etika bisnis Islam, yang mencakup aspek kejujuran (shiddiq), transparansi, dan amanah. Implementasi strategi pemasaran digital yang tepat diharapkan mampu meningkatkan partisipasi masyarakat secara masif sekaligus mendukung akselerasi pertumbuhan ekonomi syariah nasional yang berkelanjutan di masa depan.
Mekanisme Shariah Compliance pada Reksa Dana syariah: Tinjauan Regulasi dan Praktik di Indonesia Nst, Nabila Riski; Hasibuan, Maulana Sulaiman; Saputra, Muhammad Erwin; Rahmat, Paisal
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 5 No. 1 (2026): Februari - April
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v5i1.8032

Abstract

Perkembangan pasar modal syariah di Indonesia dalam beberapa dekade terakhir menunjukkan peningkatan yang signifikan, khususnya pada produk reksa dana syariah yang semakin diminati oleh masyarakat. Namun, pertumbuhan tersebut juga diiringi dengan tantangan dalam menjaga konsistensi penerapan prinsip syariah dalam praktik pengelolaannya. Oleh karena itu, penelitian ini bertujuan untuk menganalisis konsep, regulasi, serta mekanisme shariah compliance pada reksa dana syariah di Indonesia, sekaligus mengidentifikasi berbagai kendala dalam implementasinya. Penelitian ini menggunakan pendekatan kualitatif dengan metode deskriptif melalui studi literatur terhadap berbagai sumber ilmiah dan regulasi terkait. Hasil penelitian menunjukkan bahwa penerapan shariah compliance dilakukan melalui mekanisme yang sistematis, meliputi proses screening terhadap instrumen investasi, cleansing terhadap pendapatan non-halal, pengelolaan dana oleh manajer investasi dengan akad syariah, pengawasan oleh Dewan Pengawas Syariah, serta transparansi dan pelaporan kepada investor. Selain itu, regulasi yang ada telah memberikan dasar hukum yang cukup kuat dalam mendukung kepatuhan syariah dan perlindungan investor. Namun, implementasi di lapangan masih menghadapi beberapa kendala, seperti rendahnya literasi keuangan syariah, keterbatasan instrumen investasi, serta kompleksitas produk keuangan modern. Berdasarkan hasil tersebut, dapat disimpulkan bahwa shariah compliance pada reksa dana syariah telah berjalan secara terstruktur, tetapi masih memerlukan penguatan melalui peningkatan edukasi, pengembangan instrumen, dan inovasi produk agar dapat berkembang secara optimal dan berkelanjutan.
Inovasi Produk Syariah dalam Menarik Investasi dari Sektor Hijau Billah, Salsa; Hapipah, Nur; Rifky, Mulia; Rahmat, Paisal
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 5 No. 1 (2026): Februari - April
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v5i1.8158

Abstract

Investasi hijau syariah merupakan inovasi dalam sistem keuangan Islam yang mengintegrasikan prinsip syariah dengan tujuan pembangunan berkelanjutan. Konsep ini muncul sebagai respons terhadap meningkatnya isu perubahan iklim, kerusakan lingkungan, serta ketimpangan sosial dalam sistem ekonomi global. Dalam konteks ini, investasi tidak hanya berorientasi pada keuntungan finansial, tetapi juga memperhatikan dampak sosial dan lingkungan. Penelitian ini bertujuan untuk menganalisis berbagai produk inovatif dalam investasi hijau syariah, meliputi green sukuk, pembiayaan mudharabah–musyarakah hijau, indeks saham syariah hijau, serta reksa dana dan exchange-traded fund (ETF) syariah hijau. Selain itu, kajian ini juga membahas manfaat, tantangan, serta solusi dalam pengembangannya di Indonesia. Metode penelitian yang digunakan adalah pendekatan kualitatif deskriptif dengan teknik studi pustaka (library research), menggunakan data sekunder dari jurnal ilmiah, buku, serta laporan resmi terkait. Hasil penelitian menunjukkan bahwa investasi hijau syariah memiliki potensi besar dalam mendukung perlindungan lingkungan, mendorong pertumbuhan ekonomi inklusif, menarik minat investor global, serta meningkatkan literasi keuangan berkelanjutan. Namun demikian, pengembangannya masih menghadapi berbagai kendala, seperti rendahnya literasi masyarakat, keterbatasan regulasi dan standar hijau, tingginya biaya transaksi, serta minimnya transparansi pengukuran dampak lingkungan. Oleh karena itu, diperlukan penguatan regulasi, peningkatan edukasi, pemberian insentif fiskal, serta kolaborasi lintas sektor agar investasi hijau syariah dapat berkembang secara optimal dan berkontribusi nyata terhadap pembangunan berkelanjutan di Indonesia.
DIGITAL TRANSFORMATION AND ITS IMPLICATIONS FOR THE FUNCTIONS OF BASIC EDUCATION MANAGEMENT: A LITERATURE REVIEW Kasman, Kasman; Rahmat, Paisal; Nasution, Marlian Arif
Al-Mubtadi: Jurnal Pendidikan Guru Madrasah Ibtidaiyah Vol. 3 No. 2 (2026)
Publisher : Prodi Pendidikan Guru Madrasah Ibtidaiyah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58988/almubtadi.v3i2.1145

Abstract

Digital transformation in elementary education is influenced by culture and ways of thinking. Change often hinders elementary education institutions, both in terms of organizational culture and individual perspectives. New perspectives and methods in elementary education are necessary for digital transformation. The purpose of this article is to explain how digital transformation and its implementation impact management in elementary education, using a keyword search for “digital transformation in education.” The research findings reveal that digital transformation brings significant benefits in improving operational efficiency, enhancing data accessibility, and elevating the quality of services provided to various stakeholders. However, significant challenges and obstacles are also encountered along this transformation journey. Resistance to change, data security challenges, financial constraints, and a lack of technical skills are some of the aspects that need to be carefully addressed. Brough the development of robust policies, investment in data security, employee training, and effective management support, elementary schools can overcome these obstacles and maximize the benefits of digital transformation. In addition to facilitating the learning process, digital transformation has also become a strategic tool for planning, monitoring, and evaluating academic activities and management functions within educational institutions. While it has been implemented in various forms, its implementation remains inconsistent across educational institutions.
The Effect of Return on Assets (ROA) and Return on Equity (ROE) on the Movement of Sharia Stock Prices of PT. Bank Syariah Indonesia Tbk for the Period 2021-2024 Paisal Rahmat; Ainun Nisa Brt; Enni Sari Siregar; Afriadi Sanusi
Sharia Economic and Management Business Journal (SEMBJ) Vol. 7 No. 2 (2026): Sharia Economic and Management Business
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/sembj.v7i2.1904

Abstract

The number of stock investors in 2024 reached 6.37 million stock investors out of a total of 14.84 million capital market investors. This share price is determined based on transactions that occur on the stock exchange market, namely in the form of investor demand and supply, so it is very important for investors to have the expertise to determine which company and when is the right time to buy shares. It can also be seen through how much the company is profitable, Return On Asset (ROA) and Return On Equity (ROE) are indicators that can measure the company's ability to generate profits. This study aims to determine the effect of Return On Asset (ROA) and Return On Equity (ROE) on stock price movements at PT Bank Syariah Indonesia Tbk for the 2021-2024 period. By using Quantitative research methods. The test t results on the Return On Asset (ROA) variable Probability value <0.005, which is equal to 0.0144, Ha is accepted, meaning that Return On Asset (ROA) has an influence on the movement of the share price of PT Bank Syariah Indonesia Tbk, and Return On Equity (ROE) with a Probability value> 0.05, which is equal to 0.4803 Ha is rejected, meaning that Return On Equity (ROE) has no influence on stock price movements at PT Bank Syariah Indonesia Tbk. Meanwhile, the Return On Asset (ROA) and Return On Equity (ROE) variables simultaneously produce a Probability value <0.05, namely 0.0009, so Ha is accepted, meaning that there is a simultaneous influence between the Return On Asset (ROA) and Return On Equity (ROE) variables on the share price movement of PT Bank Syariah Indonesia Tbk for the 2021-2024 period
Analisis Perkembangan Ekosistem Investasi Syariah di Negara-Negara Berpendapatan Menengah: Peluang dan Tantangan Pengembangannya Aril Zumaedi; Risky Alfandi; Sarika Hannum; Evika Damayanti; Paisal Rahmat
AHKAM Vol 5 No 3 (2026): SEPTEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ahkam.v5i3.10509

Abstract

The development of the Islamic investment ecosystem in middle-income countries has become an important issue in the global financial industry because of its potential to increase financial inclusion and support sustainable development. Although various studies have discussed Islamic finance, studies that comprehensively analyze the development of the Islamic investment ecosystem along with its opportunities and challenges in middle-income countries remain limited. This study aims to analyze the development of the Islamic investment ecosystem, identify supporting factors and opportunities for its development, and examine the challenges faced. This study used a qualitative approach with a multi-case study design. Data were collected through documentation studies of policy documents, Islamic finance industry reports, regulator publications, reports from international institutions, and relevant scientific articles, then analyzed using thematic analysis through the processes of reduction, categorization, interpretation, and conclusion drawing. The results showed that the development of Islamic investment is marked by the growth of the Islamic capital market, increased sukuk issuance, the development of Islamic fintech, and regulatory strengthening. The growth of the Muslim population, increasing awareness of halal investment, advances in financial technology, and integration with sustainable finance are the main factors supporting this development. However, Islamic investment still faces challenges in the form of low Islamic financial literacy, limited infrastructure, lack of product innovation, regulatory differences, and digital security risks. The conclusion of this study affirms that strengthening the Islamic investment ecosystem in middle-income countries requires synergy among regulation, literacy, product innovation, digital infrastructure, and sustainable finance principles. The implications of this study provide theoretical contributions to the development of Islamic investment studies and practical contributions for regulators, Islamic financial institutions, and industry actors in formulating more inclusive, adaptive, and sustainable Islamic investment development strategies.
Co-Authors Ade Arga Wahyudi Adelina, Selvi Affandi, Faisal Afriadi Sanusi Afriadi Sanusi Ahmad Faisal Ahmad Faisal Tanjung Ahmad Faisal Tanjung Ahyar Hamdi Pulungan Aida Rahmi Aida Rahmi AIDIL NOVIA Ainun Nisa Brt Alek Wissalam Bustami Alimuddin HM Alimuddin HM Alwi Bisri Amir Husin Amir Husin, Amir Apriani, Lely Aril Zumaedi Aulia, Nurhikmah Bayu Purnomo Billah, Salsa Eli Saharni Eli Saharni Emelia Anjani Enni Sari Siregar Evika Damayanti Fadhilah Hanum Lubis Ferdiansyah Fitri Amanda Nasution Fitri Kholilah Fitri, Meliani Hamdanil, Hamdanil Hannum, Ummi Hapipah, Nur Harahap, Mufti Fahrizal Hasibuan, Maulana Sulaiman Hasnawiyah Hasnawiyah Ian Alfian Ibs, Juni Khairani Ilham Putra Usmayani Ira Nabila Nasution Juni Khairani Juni Khairani Ibs Jureid Jureid Kasman Kasman Kasman Kasman Khoiriah, Midatul Kholidatun Napisah Lely Afriani Lely Apriani Lily Muthia Arini Lubis, Delima Sari Lubis, Fadhila Hanum Marlian Arif Nasution Marlian Arif Nasution Matondang, Riswandi Maulana Muklis Maulana Muklis MHD Asril Mhd Avif Rahman MHD Reski Padly Lubis Mia Juliani Monita Rangkuti Muhammad Fauzi Muhammad Ikbal Muhammad Irsan Barus Muhammad Luthfi Mulyadi Hakim Mursal Mursal Nasution, Fitri Amanda Nasution, Ira Nabila Nasution, Rizky Auliya Nasution, Royhan Mustopa Nayla Putri Hasibuan Nisa Brt, Ainun Nst, Nabila Riski Nur Aliyah Nur Hayani Lubis Nur Hidayah Batubara Nur Mutiah Pulungan, Ahyar Hamdi Pulungan, Indah Wahyuni Purnama Zein Nasution Putra, Haris Maiza Putri Khairani, Zenni Rahmad Hidayat Lubis Rahmad Hidayat Lubis Rahmi, Aida Reza Fansyuri REZKI AGRISA DITAMA Rifky, Mulia Rihalah, Saidah Rini Wahyuni Batubara Riski Rahmadani Riski Ramadani Risky Alfandi Risky Hamonangan Risna Hayati Saniah Ilma Lubis Saputra, Muhammad Erwin Sarika Hannum Siti Sahara Siti Sarah SITI SOPUROH Syamratun Nurjannah Thalita Nur Hifda Ummi Hannum Widia Sulastri Yahya Mardana Yusril Mahendra Zuhdi Hasibuan