Rianti Rahmadania, Winda Ramadianti, Apriza Fitriani. Development of a Practical Guide on Chemical Reactions to Facilitate Science Process Skills Based on the Problem Based Learning (PBL) Model for Class X at SMA Negeri 1 Seluma. Edumaspul Journal [Internet]. 2026 Jun. 13 [cited 2026 Sep. 20];10(1):343-64. Available from: http://jurnal2.unimen.ac.id/index.php/edumaspul/article/view/155