Harianto, Eko, La Ode Nursalam, Fahrudi Ahwan Ikhsan, Z Zakaria, D Damhuri, and Andri Estining Sejati. “THE COMPATIBILITY OF OUTDOOR STUDY APPLICATION OF ENVIRONMENTAL SUBJECT USING PSYCHOLOGICAL THEORIES OF INTELLIGENCE AND MEANINGFUL LEARNING IN SENIOR HIGH SCHOOL”. Geosfera Indonesia 4, no. 2 (August 28, 2019): 201–216. Accessed February 21, 2026. https://geosfera.unej.ac.id/index.php/GEOSI/article/view/9903.