Ariati, Theodora, Sigit Saptono, and Ellianawati Ellianawati. “Bio-Conservation Learning Model Development With Waste Management Topic to Empower Environmental Awareness Character of Primary School Students”. Journal of Primary Education 10, no. 1 (March 31, 2021): 52-59. Accessed November 24, 2024. https://journal.unnes.ac.id/sju/jpe/article/view/44476.