Tiara Zalza Nabilah, Ananda Roqiba Faradisi, and Eka Aulia Sari. “ANALYSIS OF ECOSYSTEM MATERIALS ON SCIENCE SKILLS OF ELEMENTARY SCHOOL STUDENTS”. JOURNAL OF HUMANITIES AND SOCIAL STUDIES 1, no. 02 (August 20, 2023): 390–395. Accessed October 16, 2025. https://humasjournal.my.id/index.php/HJ/article/view/115.