Leuser Journal of Environmental Studies

Announcements

Change of Publication Schedule

2024-01-08

Dear Authors and Readers

Effective 2024, the publication schedule for Leuser Journal of Environmental Studies will shift to April-October, from the previous July-November timeline.

Thank you for your understanding.

Editorial Office

Leuser Journal of Environmental Studies

Current Issue

Vol. 3 No. 2 (2025): October 2025

Articles

Influence of Elevational and Environmental Factors on Parasitic Nematode Distribution in Arabica Coffee in the Gayo Highlands, Indonesia

Muhammad Ipan Surna, Qalbin Salim Fazli, Tjut Chamzurni, Susanna Susanna, Ghazi Mauer Idroes

56-66
- PDF
DOI : 10.60084/ljes.v3i2.293

Abstract View : 121

PDF downloads: 176
Optimizing Palm Oil Biodiesel Purity for a Cleaner Environment: Urea Complexation and RSM Approach

Zohera Zohera, Zuchra Helwani, Sunarno Sunarno

67-78
- PDF
DOI : 10.60084/ljes.v3i2.311

Abstract View : 58

PDF downloads: 56
Environmental Influence of Altitude on Coffee Leaf Rust Severity in Arabica Coffee of Aceh Tengah, Indonesia

Teguh Arkadinata, Qalbin Salim Fazli, Alfizar Alfizar, Lukman Hakim, Ghazi Mauer Idroes

79-86
- PDF
DOI : 10.60084/ljes.v3i2.344

Abstract View : 61

PDF downloads: 87
Geochemical Evidence from Major and Trace Elements in Geothermal Waters of Empat Lawang, Southern Sumatra: Clues to Mineralization and Hydrothermal Sources

Rofiqul Umam, Suharno Suharno, Rahmad Junaidi

87-98
- PDF
DOI : 10.60084/ljes.v3i2.343

Abstract View : 48

PDF downloads: 34
From Waste to Resource: Sustainable Recycling Strategies for Monocrystalline Solar Panels in Indonesia

Muhammad Ihsan Nur Faizin, Andry Riyanto, Hernawan Heriyanto, Mei Budi Utami, Omrie Ludji, Erkata Yandri

99-112
- PDF
DOI : 10.60084/ljes.v3i2.340

Abstract View : 50

PDF downloads: 55

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Leuser Journal of Environmental Studies (LJES) is an international, peer-reviewed scientific journal that publishes high-quality original research articles, review articles, and case reports in the field of environmental studies. The journal focuses on interdisciplinary research that connects scientific and technological developments to real-world applications and their impact on society and the environment.