Harianto, Eko, 		Nursalam, La, 		Ikhsan, Fahrudi, 		Zakaria, Z, 		Damhuri, D, AND 		Sejati, Andri.
" THE COMPATIBILITY OF OUTDOOR STUDY APPLICATION OF ENVIRONMENTAL SUBJECT USING PSYCHOLOGICAL THEORIES OF INTELLIGENCE AND MEANINGFUL LEARNING IN SENIOR HIGH SCHOOL" <em>Geosfera Indonesia</em> [Online], Volume 4 Number 2 (28 August 2019)