Sumarsih, Sumarsih. “Peningkatan Minat Belajar IPA Di SD Melalui Pendekatan Keterampilan Proses”. COPE: Caraka Olah Pikir Edukatif 12, no. 01 (June 5, 2008). Accessed October 17, 2025. https://journal.uny.ac.id/index.php/cope/article/view/5493.