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All Journal Jurnal Matematika dan Statistika serta Aplikasinya (Jurnal MSA) BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Jurnal Abdi Insani Asy Syar'iyyah: Jurnal Ilmu Syari'ah dan Perbankan Islam Indo-Fintech Intellectuals: Journal of Economics and Business Al-Mulk: Jurnal Pengabdian Masyarakat
Fahria, Izma
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Algoritma Genetika dalam Pengoptimuman Portofolio Perusahaan Emiten Fahria, Izma; Kurtiawan, Elyas
Jurnal MSA (Matematika dan Statistika serta Aplikasinya) Vol 8 No 2 (2020): Volume 8 Nomor 2
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/msa.v8i2.16030

Abstract

ABSTRAK. Investasi saham di pasar modal tidak lepas dari risiko. Semakin tinggi keuntungan yang diperoleh dari investasi, maka akan berpotensi tinggi pula risiko yang dihadapi (high risk high return). Diversifikasi saham merupakan salah satu cara untuk memperkecil risiko investasi yang dapat dilakukan oleh investor. Tantangan besar ketika melakukan diversifikasi saham dalam portofolio adalah penentuan kandidat saham-saham dan besarnya proporsi jumlah dana yang ditempatkan pada masing-masing saham yang menyusun portofolio optimum. Penyelesaian masalah pembentukan portofolio optimum ini dilakukan dengan mengimplementasikan algoritma genetika agar diperoleh proporsi saham yang dapat menghasilkan keuntungan optimum dengan tingkat kerugian yang dapat dipertanggung jawabkan. Studi kasus dilakukan pada sejumlah saham dengan kinerja unggul yang aktif diperdagangkan di Bursa Efek Indonesia. Hasil penelitian menunjukkan bahwa metode algoritma genetika bekerja dengan efektif dalam penyelesaian masalah pembentukan portofolio optimum
PELATIHAN DASAR AKUNTANSI PEMILIK UMKM DI KABUPATEN BANGKA TENGAH Sumiyati, Sumiyati; Fahria, Izma; Khairiyansyah, Khairiyansyah; Aprilian, Rahil
Al-Mulk: Jurnal Pengabdian Masyarakat Vol 1, No 2 (2023)
Publisher : Institut Agama Islam Negeri Ternate

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46339/al-mulk.v1i2.1033

Abstract

MSME owners in Central Bangka also have not been able to prepare financial reports in accordance with applicable financial standards. This is because MSME owners do not know the basics of accounting records. Even though there are quite a lot of Android-based accounting and financial reporting applications available with various choices according to the needs of the owner. This service uses the lecture method to introduce the basics of accounting and demonstration methods for assisting in the preparation of Android-based financial reports. This activity is expected to provide knowledge for PPKL and MSME owners regarding the basics of accounting and at the same time prepare financial reports for MSME owners. Evaluation of this activity is carried out by providing feedback sheets in the form of pre-test and post-test to measure the level of understanding of participants.
POTENSI PENGEMBANGAN INDUSTRI HALAL DI PROVINSI KEPULAUAN BANGKA BELITUNG: MENYONGSONG ERA EKONOMI SYARIAH Fitriyanti, Eka; Fahria, Izma; Sulistiana, Ineus
Indo-Fintech Intellectuals: Journal of Economics and Business Vol. 5 No. 2 (2025): Indo-Fintech Intellectuals: Journal of Economics and Business (2025)
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/ifijeb.v5i2.2759

Abstract

Provinsi Kepulauan Bangka Belitung memiliki potensi besar dalam pengembangan industri halal, terutama di sektor makanan dan minuman, perikanan, serta pariwisata halal. Penelitian ini bertujuan untuk mengidentifikasi peluang dan tantangan dalam pengembangan industri halal di daerah ini serta merumuskan strategi yang dapat diterapkan guna meningkatkan daya saing industri halal lokal. Dengan pendekatan kualitatif dan metode deskriptif, penelitian ini mengumpulkan data melalui wawancara mendalam dengan pelaku usaha, pemangku kebijakan, serta akademisi, serta observasi langsung terhadap ekosistem industri halal yang telah berkembang. Hasil penelitian menunjukkan bahwa kesadaran pelaku usaha terhadap pentingnya sertifikasi halal semakin meningkat, tetapi masih terdapat kendala dalam akses terhadap sertifikasi, infrastruktur pendukung, serta regulasi yang belum optimal. Untuk mengatasi tantangan ini, diperlukan sinergi antara pemerintah, akademisi, dan pelaku usaha dalam membangun ekosistem halal yang lebih terintegrasi. Dengan strategi yang tepat, Bangka Belitung berpotensi menjadi pusat industri halal yang berdaya saing di tingkat nasional maupun internasional.
PENINGKATAN KAPASISTAS GURU DALAM MENGIMPLEMENTASIKAN SOAL SKOLASTIK UTBK KEDALAM SOAL MATA PELAJARAN DI SMA NEGERI 1 BELINYU Prayanti, Baiq Desy Aniska; Kustiawan, Elyas; Sulistiana, Ineu; Dalimunthe, Desy Yuliana; Fahria, Izma; Amelia, Ririn; Humairah, Reni; Afrizal, Aidil Adrianda
Jurnal Abdi Insani Vol 11 No 4 (2024): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v11i4.2125

Abstract

Since 2019, the Computer-Based Written Test (UTBK) has been used as a system for university entrance exams. The TPS (scholastic potential test) and Literacy Test are two slightly different test forms that have been utilized in UTBK from 2023. The sole public senior high school in the Belinyu subdistrict is SMA Negeri 1 Belinyu. Less than 30% of pupils get admitted to state colleges, according to data from 2023. Therefore, the purpose of this service is to tell the teachers of SMA Negeri 1 Belinyu about UTBK and to train them in creating subject questions for the Scholastic test at UTBK. The method of activity carried out in the form of a preparatory stage in the form of observation, theme determination, and partner preparation followed by the implementation stage in the form of preparation of UTBK material and scholastic tests, exposure and evaluation. According to the service's results, 95% of participants believe that their comprehension of UTBK scholastic questions is improving, and they are hopeful that students will find it simpler to handle UTBK questions if scholastic questions are applied to the subject matter. The purpose of this service project is to help the teachers at SMA Negeri 1 Belinyu better comprehend the UTBK academic questions that incoming college students would encounter.
ANALYSIS OF THE LERNER INDEX OF THE HALAL FOOD INDUSTRY IN BANGKA BELITUNG FROM THE PERSPECTIVE OF IBN KHALDUN'S PRICE CONCEPT Fitriyanti, Eka; Wulandari, Ayu; Fahria, Izma; Karimullah, Suud Sarim
ASY SYAR'IYYAH: JURNAL ILMU SYARI'AH DAN PERBANKAN ISLAM Vol 10 No 1 (2025): Asy Syar’iyyah, Vol. 10, No.1, Juni 2025
Publisher : FAKULTAS SYARIAH DAN EKONOMI ISLAM IAIN SYAIKH ABDURRAHMAN SIDDIK BANGKA BELITUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32923/asy.v10i1.5101

Abstract

The halal food industry in Bangka Belitung is a rapidly growing sector in line with the increasing awareness of Muslim consumers about the importance of halal products. This study aims to analyze the market power of halal food companies in the province using the Lerner Index, and to relate it to the price concept proposed by Ibn Khaldun. The method used is a quantitative approach by calculating the Lerner Index based on price and marginal cost data from 173 halal food companies. The research results show a variation in market power, where some companies have the ability to set prices above marginal cost, while others operate in a more competitive market. In Ibn Khaldun's perspective, excessively high prices due to market power can create injustice in the accessibility of halal products. These findings underscore the importance of policies that support healthy competition and fair pricing, to create a more equitable halal market in Bangka Belitung
Prediction of Water Availability in Kolong ST 12 Reservoir as a Raw Water Source using Singular Spectrum Analysis Nisa, Ehairun; Adriyansyah; Fahria, Izma
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 13 No 2 (2025): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2025)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v13i2.10605

Abstract

Water is a fundamental human need that must be available to support daily activities. However, ensuring the availability of clean water remains a significant challenge for both communities and water providers, whether managed by the private sector or the government. One effective approach to ensuring the availability of clean water is accurately predicting the water discharge from raw water sources. The results of these predictions can be used to map the potential for water availability and identify areas with water deficits. This study focuses on predicting water discharge in the Kolong ST 12 reservoir, located in the Sungailiat District of Bangka Regency. The Singular Spectrum Analysis (SSA) method is used for prediction. The aim of this study is to evaluate the accuracy of the SSA method as a prediction model. The results show that predictions made using the SSA method are quite accurate, as evidenced by the Mean Absolute Percentage Error (MAPE) values of 46.68% for in-sample data and 35.54% for out-of-sample data. These MAPE values indicate that the SSA method has an accuracy of 53.32% for in-sample predictions and 64.46% for out-of-sample predictions. Parameter selection and data preprocessing processes affect the accuracy of the SSA method prediction results. The results of this study indicate that the SSA method has the potential to be developed into an accurate prediction model in analyzing water discharge data for optimal water resources management. The implications of this study are that the findings can assist the government and relevant stakeholders in water management. This study provides strategic information for policy planning to support food security programs and prevent water shortages through well-planned distribution.
Co-Authors Adriyansyah Afrizal, Aidil Adrianda Amelia, Ririn Aprilian, Rahil Ayu Wulandari Baiq Desy Aniska Prayanti Desy Yuliana Dalimunthe, Desy Yuliana Fitriyanti, Eka Humairah, Reni Ineu Sulistiana, Ineu Karimullah, Suud Sarim Khairiyansyah, Khairiyansyah Kurtiawan, Elyas Kustiawan, Elyas Nisa, Ehairun Sulistiana, Ineus SUMIYATI SUMIYATI