Ikhwan FH, Astuti L, Apriandi R, Husni I. Development Content Learning System (CLS) Material Corrosion Based on Project Base Learning (PjBL) with Shortened Flipped Classrooms in SMA MA. JHICE [Internet]. 2021 Dec. 23 [cited 2026 Jun. 26];1(02):84-91. Available from: http://jhice.ppj.unp.ac.id/index.php/jhice/article/view/38