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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Jurnal Ekonomi Syariah dan Hukum Islam NAAFI: JURNAL ILMIAH MAHASISWA
Setiawan, Wildan
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Religion Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Library & Information Science Social Sciences

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The Effect of Mortar Mixture Variations on the Compressive Strength and Ultrasonic Pulse Velocity Nugroho, Maris Setyo; Ma'arif, Faqih; Widodo, Slamet; Rachmi, Dewi; Fajriani, Qonaah; Suryadwanti, Novia; Setiawan, Wildan
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 18 No. 2 (2022): December
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v18i2.55256

Abstract

This paper examines the correlation between compressive strength, porosity, and ultrasonic wave propagation in mortar. The research was conducted at the Yogyakarta State University Building Materials Laboratory. The study used an experimental method, mortar was made with variations in the ratio of cement and fine aggregate 1:3, 1:4, 1:5, 1:6, and 1:7 with a phase of 0.48. The manufacture of test objects in the form of a cube measuring 5x5x5 cm refers to SNI 03-6825-2002. Tests were carried out at the age of 3, 7, 14, 21, and 28 days with three samples per test age. The data was processed by quantitative descriptive method to determine the relationship between the variables, especially the relationship between wave propagation speed and compressive strength, as well as its relationship with the porosity value. The results of compressive strength and wave propagation speed are directly proportional to the age of the test. With the results of the compressive strength at 1:3, 1:4, 1:5, 1:6, and 1:7 variants, respectively 31.12 MPa, 19.83 MPa, 12.25 MPa, 5.38 MPa, and 3.89 MPa and wave propagation speed of 3827.67 m/s, 3641.7 m/s, 3561.3 m/s, 2019,0 m/s, and 1691.0 m/s. Then the porosity values are 11.12%, 12.88%, 16.36%, 17.60%, and 22.06%. The compressive strength has a correlation that is directly proportional to the logarithmic speed of wave propagation, the higher the value of the compressive strength, the higher the UPV value, and inversely proportional to the porosity value as well as the speed of the wave propagation which is inversely proportional to the porosity value. The higher the porosity value, the lower the compressive strength value and the UPV value.
MENDORONG LAJU PERTUMBUHAN PEREKONOMIAN INDONESIA MELALUI PASAR MODAL SYARIAH Rusyda, Tsanya; Mufliha, Siti; Setiawan, Wildan; Afandi, Ari Dimas
IQTISODINA Vol. 7 No. 2 (2024): DESEMBER
Publisher : LPPM IAI Nazhatut Thullab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35127/iqtisodina.v7i2.7778

Abstract

Pasar modal syariah di Indonesia menjanjikan potensi besar dalam mendukung pertumbuhan ekonomi yang inklusif dan berkelanjutan Penelitian ini menyelidiki evolusi pasar modal syariah dan pengaruhnya terhadap perekonomian Indonesia. Dengan menganalisis variabel yang mempengaruhi pasar modal syariah serta kontribusinya terhadap pertumbuhan ekonomi, penelitian ini bertujuan untuk memberikan pemahaman tentang peran pasar modal syariah dalam mendorong pertumbuhan ekonomi yang berkelanjutan. Penelitian ini menggunakan ulasan literatur sistematis (SLR), yang memberikan gambaran mendalam tentang tingkat pengetahuan saat ini tentang topik ini. Hasil penelitian menunjukkan bahwa pasar modal syariah telah berkembang pesat, tetapi potensinya masih belum dieksplorasi sepenuhnya. Pendanaan untuk sektor-sektor produktif, inklusi finansial, dan investasi berkelanjutan adalah beberapa cara pasar modal syariah membantu pertumbuhan ekonomi Indonesia. Perkembangan pasar modal syariah juga dipengaruhi oleh regulasi pemerintah, pendidikan masyarakat, dan kerja sama antarlembaga. Pasar modal syariah dapat memaksimalkan potensinya dengan meningkatkan literasi keuangan, menyederhanakan regulasi, dan memperkuat infrastrukturnya. Dengan demikian, pasar modal syariah memiliki kapasitas yang lebih besar untuk memajukan pertumbuhan ekonomi yang inklusif dan berkelanjutan di Indonesia. Kata Kunci : Pasar Modal Syariah, Kontribusi, Faktor-Faktor Pertumbuhan.
Analisis Ayat Pertama Dan Terakhir Diturunkan Dalam Perspektif Kitab Al-Itqan Fi ‘Ulumil Qur’an Karya Imam As-Suyuti Setiawan, Wildan; Putri, Firza Naila
NAAFI: JURNAL ILMIAH MAHASISWA Vol. 2 No. 2 (2026): NAAFI: Jurnal Ilmiah Mahasiswa
Publisher : Pusat Penelitian dan Pengabdian (P3M) STKIP Majenang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62387/naafi.v2i2.390

Abstract

This study aims to examine Imam as-Suyuthi’s perspective in Al-Itqan fī ‘Ulumil Qur’an regarding the first and last verses revealed to the Prophet Muhammad (peace be upon him). Understanding the chronology of revelation plays a crucial role in interpreting the historical, theological, and legal dimensions of Islam. The study employs a qualitative descriptive method through a library research approach, analyzing primary sources from Al-Itqan and relevant secondary references in Qur’anic sciences. The findings reveal that Imam as-Suyuthi discusses various scholarly opinions concerning the first and last revealed verses, both in absolute and thematic contexts. The first revealed verse is generally recognized as QS. Al-‘Alaq [96]:1, while the last remains debated between QS. Al-Baqarah [2]:281 and QS. An-Nasr [110]:1. This study concludes that comprehending the sequence of revelation provides an essential foundation for understanding the evolution of Islamic law, social context, and the completion of the prophetic message.
SISTEM INFORMASI CUSTOMER RELATIONSHIP MANAGEMENT (CRM) UNTUK PENINGKATAN LOYALITAS PELANGGAN DI CAHAYA MANDIRI AUDIO & ELEKTRONIK Setiawan, Wildan; Arum Sari, Aprilisa; Hartanti, Dwi
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 12 No. 1 (2026): Volume 12 Nomor 1 Tahun 2026
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v12i1.5486

Abstract

Cahaya Mandiri Audio, an electronic service provider, is currently facing operational challenges due to its reliance on a manual record-keeping system, which has resulted in a data error rate of 15% and difficulties in maintaining customer loyalty. This study aims to design and build a web-based Customer Relationship Management (CRM) system capable of integrating customer data management, service history, and technician scheduling to optimize operations and improve customer retention. The development method used is the Prototype approach, utilizing the PHP programming language and the Laravel framework. The results of the study indicate that this system successfully unifies the roles of Admin and Technician within a single integrated platform, thereby minimizing human error and creating a more organized workflow compared to the previous manual system. The contribution and novelty of this system lie in the Scheduled Notification Module via WhatsApp, which facilitates the semi-automatic creation of message drafts through a redirect feature based on unit service history data to efficiently enhance customer loyalty.Keyword: CRM, Service, Laravel, Customer Loyalty, WhatsApp API.
Co-Authors Afandi, Ari Dimas Arum Sari, Aprilisa Dwi Hartanti Fajriani, Qonaah Ma'arif, Faqih Maris Setyo Nugroho Mufliha, Siti Novia Suryadwanti Putri, Firza Naila Rachmi, Dewi Rusyda, Tsanya Slamet Widodo