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All Journal Management Studies and Entrepreneurship Journal (MSEJ) EINSTEIN (E-JOURNAL)
Rahmadani, Nanda
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Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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PENENTUAN TINGKAT INTRUSI AIR LAUT MENGGUNAKAN METODE GEOLISTRIK RESISTIVITAS KONFIGURASI WENNER SCHLUMBERGER DAN KONDUKTIVITIMETER DI DAERAH SITUS KOTA CINA Rahmadani, Nanda; Juliani, Rita
EINSTEIN (e-Journal) Vol 7, No 3 (2019): EINSTEIN (e-Journal)
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (702.829 KB) | DOI: 10.24114/einstein.v7i3.15167

Abstract

Telah dilakukan penelitian penentuan tingkat intrusi air laut menggunakan metode geolistrik resistivitas konfigurasi wenner schlumberger dan konduktivitimeter di daerah Situs Kota Cina dengan tujuan mengetahui struktur bawah permukaan dan nilai daya hantar listrik, suhu, pH, serta salinitas. Penelitian dilaksanakan dengan menggunakan metode geolistrik tipe ARES-D4.vv4, SN : 0609134 konfigurasi  wenner Schlumberger dan panjang lintasan 75 meter dengan jarak antar elektroda 5 meter. Analisis data geolistrik menggunakan Software Res2Dinv untuk mendapatkan nilai resistivitas model penampang dua dimensi (2D), dan alat konduktivitimeter untuk mendapatkan nilai daya hantar listrik, suhu, pH, serta salinitas. Hasil penelitian menunjukkan nilai resistivitas terendah 0,525 Wm dan tertinggi 10,74 Wm yang didominasi lapisan air tanah, lempung, pasir dan kerikil yang terendam air laut Nilai Daya Hantar Listrik (DHL), suhu, pH, dan salinitas air sumur gali di Kota Cina diperoleh yaitu nilai DHL 202,69μmho/cm, dengan salinitas 78,71 mg/L, pH 7,43, dan suhu 28,43oC. Hasil penelitian menunjukkan bahwa kawasan kota cina telah terintrusi sedikit.Kata Kunci: Geolistrik, Res2Dinv, Kota Cina, , Intrusi Air Laut, DHL
The Effect of Environmental, Social, and Governance (ESG) Disclosure and Retention Ratio on Company Size in Companies Listed on the Indonesia Stock Exchange in 2022-2024 Mufahamah, Euis; Rahyono, Rahyono; Saputra, Rengga Desca; Azzahra, Safira; Rahmadani, Nanda; Musyafa'ah, Siti
Management Studies and Entrepreneurship Journal (MSEJ) Vol. 6 No. 6 (2025): Management Studies and Entrepreneurship Journal (MSEJ)
Publisher : Yayasan Pendidikan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/msej.v6i6.10041

Abstract

This study aims to examine the influence of environmental, social, and governance (ESG) disclosure and retention ratios on company size. Sample selection was carried out using the purposive sampling method, which is a sampling technique from a number of populations based on certain criteria so that the selected sample is in accordance with the research objectives. The population in this study is energy sector companies listed on the Indonesia Stock Exchange in 2022-2024. The number of samples obtained was 8 energy sector companies listed on the Indonesia Stock Exchange (IDX) in 2022-2024, so the number of observations was 24 data. The data sources used in this study come from the official website of the Indonesia Stock Exchange and the websites of related companies. This study uses a quantitative approach with data collection techniques using descriptive analysis and multiple linear regression analysis, and utilizes SPSS 25 software to process data. The results of the analysis show that ESG disclosure and retention ratio have no effect on company size. These findings indicate that these factors have not been the main determinant of the size of energy sector companies in Indonesia in the study period. This research is expected to contribute to the development of literature related to ESG and retention ratios in Indonesia and become a consideration for company management and investors in strategic decision-making.
Co-Authors Azzahra, Safira Euis Mufahamah Musyafa'ah, Siti Rahyono Rahyono Rita Juliani Saputra, Rengga Desca