Nirwana, Nirwana, and Syaiful Rochman. “PRACTICE OF OUTDOOR LEARNING TO PROMOTING LEVEL COGNITIVE THINKING IN PHYSICS STUDENT”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) 80 (December 31, 2019): SNF2019-PE. Accessed May 2, 2024. https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/13504.