Kusumawardani W, Aminatun T. PBL in Blended Learning Design to Increase Critical Thinking and Problem-Solving Skills. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2024 Jun. 20 [cited 2024 Jul. 1];10(6):3303-8. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/7052