Dawim, Mardianto, Andreas Priyono Budi P., and Nugrahaningsih W.H. “Implementation of Science Learning Alternative School Sanggar Anak Alam (SALAM) Nitiprayan Bantul Yogyakarta”. Journal of Innovative Science Education 9, no. 1 (April 6, 2020): 86 - 93. Accessed April 19, 2024. https://journal.unnes.ac.id/sju/jise/article/view/32981.