Saragih R, Sitepu E, Nababan R, Karo-Karo S. Building the Character of Science Students through Innovative Learning Based on Process Skills During the Covid-19 Pandemic . jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Aug. 25 [cited 2024 Jul. 28];9(8):6768-73. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/5963