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All Journal Katalogis JURNAL AKUNTANSI DAN AUDITING Tunas Geografi Peronema Forestry Science Journal Journal of Tropical Soils Jurnal Penelitian Ekosistem Dipterokarpa Jurnal Rekayasa Mesin JURNAL AGRILAND Jurnal Rekayasa Material, Manufaktur & Energi Jurnal Penelitian Kelapa Sawit Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal) Minda Baharu Journal of Humanities and Social Studies Journal of Saintech Transfer AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Hutan Tropika Jurnal Penelitian Ekosistem Dipterokarpa Sinergi Polmed : Jurnal Ilmiah Teknik Mesin PERTANIAN TROPIK Agrikan: Jurnal Agribisnis Perikanan Journal of Accounting Research, Organization and Economics (JAROE) JPNM : Jurnal Pustaka Nusantara Multidisiplin Tarsius: Jurnal Pengabdian Tarbiyah, Religius, Inovatif, Edukatif dan Humanis Journal of Environmental and Development Studies JIMEKA
Rahmawaty, Rahmawaty
Program Studi Kehutanan, Fakultas Kehutanan, Universitas Sumatera Utara
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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ANALISIS PENGARUH VARIASI LOGAM PENGISI (FILLER) PADA PROSES PENGELASAN GTAW PADUAN ALUMINIUM TERHADAP UJI KEKERASAN DAN STRUKTUR MIKRO Lubis, Riadini Wanty; Dharma, Surya; Rahmawaty, Rahmawaty; Sebayang, Rihat; Bahri, Nisfan; Aditya, M. Aldi
SINERGI POLMED: Jurnal Ilmiah Teknik Mesin Vol. 5 No. 2 (2024): Edisi Agustus
Publisher : Politeknik Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51510/sinergipolmed.v5i2.1581

Abstract

Paduan Aluminium pada umumnya digunakan untuk automotif maupun alat-alat konstruksi. Pada perancangan konstruksi menggunakan material paduan Aluminium, banyak melibatkan unsur pengelasan dengan sambungan las sebagai alternatif untuk menyambung bagian-bagian tertentu. Pembuatan sambungan las secara teknis memerlukan keterampilan yang tinggi bagi pengelasnya agar diperoleh sambungan dengan kualitas baik. Penelitian menggunakan metode eksperimen. Pengelasan GTAW menghasilkan manik las yang rapih dan tidak menghasilkan spatter atau percikan logam las yang menempel pada logam induk. Dari hasil pengelasan dengan filler ER 4043 dan ER 5356 nilai kekerasannya tidak berbeda jauh. Nilai kekerasan pengelasan dengan filler ER 5356 pada daerah HAZ lebih besar dibandingkan pada pengelasan dengan filler ER 4043. filler ER 5356 tidak mengalami distorsi ataupun cacat visual, sedangkan pada variasi filler ER 4043 mengalami distorsi, Pengelasan dengan filler ER 5356 hasil nilai tertingginya 70,6 HVN sedangkan pengelasan dengan filler ER 4043 hasil nilai tertinginya 69,9 HVN, pada variasi filler ER 5356 dan ER 4043 di perbesaran 50x,200x,500x, di daerah base metal, haz dan weld area.
Pemetaan Kandungan Hara Daun Kelapa Sawit Menggunakan Citra Multispektral Berbasis Unmanned Aerial Vehicle Madiyuanto, Madiyuanto; Rahmawaty, Rahmawaty; Santoso, Heri
Jurnal Penelitian Kelapa Sawit Vol 31 No 2 (2023): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v31i2.236

Abstract

Kecukupan hara merupakan salah satu faktor yang sangat berpengaruh terhadap produktivitas kelapa sawit. Umumnya, pemenuhan kecukupan hara dilakukan melalui pemupukan yang ditentukan berdasarkan hasil analisis kandungan tanah dan daun. Pengukuran kandungan hara daun secara konvensional tidak memiliki fleksibilitas, tidak praktis, membutuhkan tenaga kerja intensif, serta perlu waktu dan biaya tinggi, sehingga penginderaan jauh dapat menjadi alternatif untuk mengatasinya. Dalam penelitian ini, digunakan ekstraksi nilai reflektan setiap saluran serta transformasi indeks vegetasi NDVI dan GNDVI dari 3 saluran kamera multispektal (red, green, near infrared) sebagai variabel bebas (predictor) untuk mengestimasi hara daun blok pengamatan pada perkebunan kelapa sawit. Model regresi polinomial berganda dibangun dari hasil analisis laboratorium daun kelapa sawit sebanyak 35 contoh yang digunakan sebagai variabel terikat. Model prediksi N, P, K, Ca, dan Mg menggunakan regresi polinomial berganda orde 4 menghasilkan nilai R2 berturut-turut 0,986; 0,975; 0,981; 0,970; dan 0,968, nilai Adjusted R2 berturut-turut 0,861; 0,761; 0,812; 0,710; dan 0,690, nilai RSE berturut-turut 0,065; 0,003; 0,076; 0,074; dan 0,036, serta nilai MAPE berturut-turut 5,23%; 3,22%; 10,38%; 13,40%; dan 16,59%. Nilai prediksi kandungan hara daun setiap pohon diolah dan diklasifikasikan secara spasial menghasilkan kandungan hara N, P, dan Ca yang didominasi kriteria sedang masing-masing 95,51%, 100%, dan 80,58%, sedangkan hara K dan Mg didominasi kriteria rendah masing-masing 77,86%, dan 90,39% dari jumlah pohon.
Menimbang Konstitusionalitas Batas Usia Cawapres: Sebuah Analisis atas Putusan Mahkamah Konstitusi Dina Octavia, Dina Octavia; Rahmawaty, Rahmawaty; Sultan Rexy Adji, Sultan Rexy Adji
JPNM Jurnal Pustaka Nusantara Multidisiplin Vol. 2 No. 1 (2024): February: Jurnal Pustaka Nusantara Multidisiplin
Publisher : SM Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59945/jpnm.v2i1.147

Abstract

Mahkamah Konstitusi mengeluarkan putusan yang menuai pro dan kontra dalam kontestasi politik indonesia. Tujuan penelitian ini adalah untuk menganalisis argumen pro dan kontra terhadap putusan Mahkamah Konstitusi serta untuk memberikan pemahaman yang lebih dalam terkait implikasi kebijakan batasan usia cawapres. Hasil analisis menunjukkan bahwa polemik ini memperlihatkan perbedaan pandangan yang kompleks dalam masyarakat terkait batasan usia cawapres, yang dapat memengaruhi arah demokrasi Indonesia. Argumen pro mencakup regenerasi kepemimpinan dan peningkatan peluang bagi generasi muda, sementara argumen kontra menyoroti potensi diskriminasi terhadap individu yang lebih tua. Polemik ini mencerminkan kompleksitas isu demokrasi dan perlunya kajian mendalam untuk memahami dampak kebijakan terkait batasan usia cawapres. Studi ini diharapkan dapat memberikan pemahaman yang lebih mendalam mengenai polemik terkait batasan usia calon wakil presiden dan putusan Mahkamah Konstitusi yang terkait.
INOVASI MESIN PENCACAH PAKAN TERNAK UNTUK MENINGKATKAN PRODUKTIVITAS PETERNAK KAMBING ETAWA DI DESA BANGUN SARI BARU KECAMATAN TANJUNG MORAWA, KABUPATEN DELI SERDANG, SUMATERA UTARA dharma, surya; Razak, Abd.; Dithisari, Indri; Hartika, Lia; Rahmawaty, Rahmawaty; Hasibuan, Yetti Meuthia; Lubis, Riadini Wanty
Amaliah: Jurnal Pengabdian Kepada Masyarakat Vol 8 No 2 (2024): Amaliah Jurnal: Pengabdian kepada Masyarakat
Publisher : LPPI UMN AL WASHLIYAH

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

Abstract

Sheep farming is a business that can provide economic improvement and welfare for the community in Deli serdang district in general and Bangun Sari Baru Village in particular. Raising sheep has advantages over other types of livestock, because sheep are easy to raise, breed quickly, have a market that is always available at any time and require relatively little capital when compared to larger ruminant livestock such as cattle. Sheep farming that has been carried out is greatly influenced by the existence of feed that is usually obtained from plantations in the surrounding environment which is decreasing in capacity due to land conversion. So far, sheep have been given feed in the form of green grasses, cassava leaves and elephant grass. However, a lot of leftover food is wasted because it cannot be consumed optimally by livestock such as cassava stalks at the ends and elephant grass stalks. Therefore, feed enumeration is very necessary to minimize wasted feed. In addition to obstacles in the provision of feed, another obstacle faced by partners is the need for hygienic milk packaging. Thus, the milk chopper and packaging machine is a solution that is considered to be able to solve the problems faced by goat farming partners, namely Mr. Abu Daud in Bangun Sari Baru Village, Tanjung Morawa District, Deli Serdang Regency.
PEMBERDAYAAN MASYARAKAT BERBASIS EKONOMI KREATIF MELALUI PENGEMBANGAN GULA SEMUT AREN DENGAN PENAMBAHAN REMPAH UNTUK KEMANDIRIAN EKONOMI DI DESA SIALAMAN KABUPATEN TAPANULI SELATAN Erwin Harahap, Darmadi; Rahmawaty, Rahmawaty; Muklis, Muklis; Gyta Sari Harahap, Dharma
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 7, No 12 (2024): MARTABE : JURNAL PENGABDIAN MASYARAKAT
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v7i12.5109-5114

Abstract

Aren (Arengga pinnata) adalah salah satu jenis tanaman palma yang hampir tumbuh tersebar di seluruh Wilayah Indonesia, dimana hampir semua bagian dari tanaman aren dapat dimamfaatkan. Desa Sialaman Kecamatan Sipirok adalah salah satu Desa yang berada di Kabupaten Tapanuli Selatan, yang pada hutannya banyak ditemui tanaman aren yang dupergunakan masyarakat sebagai sumber kehidupannya. Kegiatan Pemberdaayan Kemitraan Masyarakat bertujuan untuk  memberikan pengetahuan, keterampilan serta pendampingan kepada kelompok petani aren mengembangkan produki gula semut aren yang mereka produksi dengan menambahkan rempah sehingga menghasilkan varian dan aroma yang baru. Metode kegiatan yang digunakan adalah memberikan penyuluhan serta pelatihan untuk mengelola gula semut dengan penambahan bubuk rempah berupa bubuk kulit manis, bubuk jahe dan bubuk kunyit. Selanjutnya dilakukan analisis kimia dan uji organoleptik terhadap gula semut dengan penambahan bubuk kulit manis, jahe dan kunyit
Effectiveness of Consumption of Brown Rice and Potatoes in Reducing Blood Sugar in the Elderly with Type 2 Diabetes Mellitus at Pondok Ranji Health Center Rahmawaty, Rahmawaty; Achmad Fauzi
Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal) Vol. 8 No. Special Edition (2022): JURNAL KEPERAWATAN KOMPREHENSIF (COMPREHENSIVE NURSING JOURNAL)
Publisher : STIKep PPNI Jawa Barat

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

Abstract

Aims: Type 2 diabetes mellitus in the elderly is still the highest disease in Indonesia. Caused by the elderly cannot produce insulin in sufficient quantities or more. Glucose levels above 200 gr%. Brown rice and potatoes are staple food sources with a fairly high amount of carbohydrates and have lower glucose levels than white rice. Research Objectives: To determine the effectiveness of consumption of brown rice and potatoes in reducing blood sugar in the elderly with type 2 diabetes mellitus at Pondok Ranji Public Health Center, South Tangerang City. Research Methods: This study used a quasi-experimental with purposive sampling with a sample of 20 people. The data technique is included in the bivariate analysis using the SPSS program statistical calculations. Research Results: Based on the results of the study the average value of brown rice consumption in the elderly with type 2 diabetes mellitus was 64.45, and the average value of potato consumption in the elderly with type 2 diabetes was 47.21, the results of the statistical test p-value 0.02 < 0.05 Conclusions and Suggestions: There is a difference between the consumption of brown rice and potatoes in reducing blood sugar levels in the elderly with type 2 diabetes mellitus, where the results obtained on average are that brown rice is more effective in reducing blood sugar levels compared to potatoes.
Mapping of Land Suitability for Rambutan (Nephelium lappaceum) in Community Agroforestry Land at Gunung Ambat Village and Simpang Kuta Buluh Village Rahmawaty, Rahmawaty; Batubara, Ridwanti; Rauf, Abdul; Frastika, Sintike
JOURNAL OF TROPICAL SOILS Vol. 25 No. 2: May 2020
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2020.v25i2.107-117

Abstract

Rambutan (Nephelium lappaceum) is Sapindaceae family, commonly found in agroforestry land, owned by the community in Langkat District, North Sumatra Province as One of Multy Purpose Tree Species. This study aimed to asses and map the distribution land suitability for N. lappaceum. This research was conducted in Gunung Ambat Village and Simpang Kuta Buluh Village, Sei Bingai Sub District, Langkat Regency using survey method. The soil samples data was collected in the field based on the land unit. Land suitability assessment was evaluated using matching method. To map the distribution of land suitability, the Geographic Information System (GIS) was used. Global Positioning System (GPS) also was used in this study to record the coordinate points of each soil sample from the field. The results indicate that the actual land suitability classes for N. lappaceum were dominated by moderately suitable (S2) (97.56%) in Gunung Ambat Village and moderately suitable (S2) (52.92%) in Simpang Kuta Buluh Village. The water availability (wa) and root zone medium (rc) were the dominant limiting factor in this area.
PEMBERDAYAAN MASYARAKAT BERBASIS EKONOMI KREATIF MELALUI PENGEMBANGAN GULA SEMUT AREN DENGAN PENAMBAHAN REMPAH UNTUK KEMANDIRIAN EKONOMI DI DESA SIALAMAN KABUPATEN TAPANULI SELATAN Erwin Harahap, Darmadi; Rahmawaty, Rahmawaty; Muklis, Muklis; Gyta Sari Harahap, Dharma
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 7, No 12 (2024): MARTABE : JURNAL PENGABDIAN MASYARAKAT
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v7i12.5109-5114

Abstract

Aren (Arengga pinnata) adalah salah satu jenis tanaman palma yang hampir tumbuh tersebar di seluruh Wilayah Indonesia, dimana hampir semua bagian dari tanaman aren dapat dimamfaatkan. Desa Sialaman Kecamatan Sipirok adalah salah satu Desa yang berada di Kabupaten Tapanuli Selatan, yang pada hutannya banyak ditemui tanaman aren yang dupergunakan masyarakat sebagai sumber kehidupannya. Kegiatan Pemberdaayan Kemitraan Masyarakat bertujuan untuk  memberikan pengetahuan, keterampilan serta pendampingan kepada kelompok petani aren mengembangkan produki gula semut aren yang mereka produksi dengan menambahkan rempah sehingga menghasilkan varian dan aroma yang baru. Metode kegiatan yang digunakan adalah memberikan penyuluhan serta pelatihan untuk mengelola gula semut dengan penambahan bubuk rempah berupa bubuk kulit manis, bubuk jahe dan bubuk kunyit. Selanjutnya dilakukan analisis kimia dan uji organoleptik terhadap gula semut dengan penambahan bubuk kulit manis, jahe dan kunyit
Analysis of the Level of Participation and Perception of the Perupuk Village Community in Baru Bara Regency Towards the Management of Pantai Sejarah Nature Tourism Rahmi , Aulia; Rahmawaty, Rahmawaty; Lubis , Zulkifli
Journal of Environmental and Development Studies Vol. 6 No. 2 (2025): Journal of Environmental and Development Studies
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jeds.v6i2.18707

Abstract

The management of natural tourism has one goal; one of the main objectives of natural tourism management is to increase local community income, which is closely linked to community participation and perception. This research aims to analyze the level of perception and participation of the Perupuk Village community towards the development of natural tourism at the Pantai Sejarah in Perupuk Village, Batu Bara Regency. This study employed a questionnaire-based interview method with 100 respondents for participation levels and 100 respondents for perception levels, including both residents and visiting tourists. The sample size was determined using Slovin's formula. In addition, direct observations were conducted to study the habits of a group of people in the vicinity of the Pantai Sejarah location, including residents, visiting tourists, traders, and tourism managers. Meanwhile, the relationship between perception, participation, and respondent characteristics was analyzed using Spearman's Rank Correlation Test. The results obtained from this research indicate that the participation level of the Perupuk Village community was high (62.22%), while the perception level was moderate (59.64%). The correlation test results indicate no significant relationship between participation and public perception. These findings suggest that while community participation and perception levels are relatively high, demographic factors such as age, gender, and Education have minimal influence. Further studies should explore strategies to enhance community engagement in tourism development.
Performance of Social Forestry Implementation at UPTD KPH IX Panyabungan Solihin, Solihin; Affandi, Oding; Delvian, Delvian; Rahmawaty, Rahmawaty; Aththorick, T. Alief
Journal of Environmental and Development Studies Vol. 6 No. 2 (2025): Journal of Environmental and Development Studies
Publisher : TALENTA Publisher, Universitas Sumatera Utara

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

Abstract

Social forestry (PS) is a form of sustainable forest management within state forest areas where local communities act as the leading actors to improve welfare, ecological balance, and socio-cultural dynamics. Although PS has been promoted to reduce poverty, increase local income, and strengthen forest conservation, many groups still face challenges in management, compliance, and financial sustainability. At the UPTD KPH IX Panyabungan, several social forestry groups have obtained legal approval but continue to struggle with fulfilling regulatory performance indicators, particularly in business development, area management, and financial contributions to the state (PNBP). This research was conducted in the North Sumatra Forest Management Unit Regional IX Panyabungan, involving four active social forestry groups (KPS): KTH Permata Belantara and KPS Sampean Jaya (HKm), KPS Globe Mangrove Indah (HD), and KPS Koperasi Rizki Jaya (HTR), selected from a total of seven groups at the site. This study aims to analyze the performance of KPS as PS approval recipients. The research employed a qualitative approach using field observations, in-depth interviews, and document analysis, with evaluation criteria and indicators based on the Regulation of the Minister of Environment and Forestry No. 9/2021. The novelty of this study lies in evaluating both the economic impacts and compliance performance of KPS after PS approval, while most previous studies mainly emphasized ecological or participation aspects. The results show that KPS fulfilled institutional indicators and generated additional income: KTH Permata Belantara (Rp. 31.9 million/year), KPS Sampean Jaya (Rp. 17.75 million/year), and KPS Gubeg Mulyoharjo Indah (Rp. 36.96 million/year). They also received capital support and planted 18,293 trees over three years. However, optimization is still needed in area management, business development, and non-tax state revenue (PNBP) payments. Thus, stronger institutional support, capacity building, and monitoring are required to ensure that PS not only meets administrative targets but also delivers measurable improvements in community welfare and forest sustainability.
Co-Authors ., Cholish Abdul Azis Abdul Rauf Abdul Rauf Abdul Rauf Abdul Rauf Abdul Rauf Abdul Rauf Abdul Rauf Abdul Rauf Abdul Rauf ABDUL RAUF Abdul, Rauf Abdullah Abu Hassan Abu Bakar ACHMAD FAUZI Aditya, M. Aldi Adnan Adnan Agus Toni Tarigan Agustoni Tarigan Alief Aththorick Aning Tedong, Peter Arif NURYAWAN Arman Arman Asnan Siregar Athorick, Alief Aththorick, T. Alief Aulia, Dwira Nirfalini Aulia, Rafika Azri Syauki Badrul Ainy Dalimunthe Bahri, Nisfan Bahri, Ruthia Benny, Hidayat Cut Afrianandra, Cut Dara Yovita, Cut Safira Darwanis Darwanis DE, Harahap Delli Sabudu Delvian Delvian Desi Yani Harahap Devita Saragih Dewi Budiati T.J. Said Diah Ramadhani Dina Octavia, Dina Octavia Edison Parulian Sihombing Erwin Nyak Akoeb Evayani, Evayani Evi Mutia Fadhlan Saini Fauziah Aida Fitri fitra syawal Fitra Syawal Harahap Fitra Syawal Harahap Frastika, Sintike FS, Harahap Fuad Abdullah, Muhammad Fujiwara, Takahiro Grandis Tua Sitanggang Gyta Sari Harahap, Dharma Hadi Wijoyo Hamdani Harahap, R. Harahap, Darmadi Erwin Harahap, Parmanoan HARTIKA, LIA Hasibuan, Yetti Meuthia Hasmadi Ismail, Mohd Heri Rizki Sitepu Heri Santoso Hilwa Walida Hilwa, Walida Hosea O Siregar, Anggiat Ida Rumia Manurung Ida Zulfida Indri Dithisari Irawan, Shahril Irena Astria Ginting Irmayani Irmayani Irwansyah Banurea Janter Bronson Samosir Kepler Dopler Purba kholizah, Siti Khor Soo Cheen, Khor Laila Nazirah Lubis , Zulkifli Lubis, Rahmat Lubis, Riadini Wanty Madiyuanto, Madiyuanto Masnur Masnur Maswan, Putra Maurin Lis Evan Panggabean Mohd Hasmadi Ismail Mohd Hasmadi Ismail Muhammad Fadhil Muhammad Fuad Abdullah Muhammad Rusdi Muklis Muklis murina, sasha Nicho Chandra Siregar Oding affandi Othman, Zulkifli Pardamean Abadi Pepah, Christine Peter Aning Tedong Pindi Patana Pulungan, M Anhar Rahbiah, Sitti Rahmayani Rahmayani Rahmi , Aulia Razak, Abd. Riansa, Ikhsan Ridwanti Batubara Ridwanti Batubara Ridwanti Batubara Rini Susanti Riswan Riswan Riswan Riswan Riswan Riswan Rizky Amalia Rosmidah , Hasibuan Ruslizar, Ruslizar Sai'in, Ali Sampara, Nirwana Sebayang Rihat Seca Gandaseca Seca Gandaseca Siahaan, Nelson Manumpak Sihotang, Krisda Fadila Simbolon, Rohani Sintike Frastika Sintike Frastika Siregar, Rezki Indah Siti Kholizah Solihin Solihin Suherman Sultan Rexy Adji, Sultan Rexy Adji Surya Dharma Syauki, Azri Syawal Harahap, Fitra Syukriy Abdullah T Sabrina T. Sabrina T., Sabrina Takahiro Fujiwara Tanjung, Dede Syahputra Tarigan, Simon Ternala A. Barus Vhintara, Cut Wulan, Nawang Yenni Asbur Yunus Afifuddin Yusrani Dwi Paulina Malau Zumaira, Tasya Zuriani Ritonga