ZIKRI, Rahmat; SANJAYA; YUSTIKARANI MAHARDIKA, Annisa; RATI, Yolanda. Development of a Contextual Problem-Based Learning Worksheet Using the Haze Phenomenon to Enhance Understanding of Gas Laws among Chemistry Education Students. Formatif : Jurnal Ilmiah Pendidikan MIPA, Jakarta, Indonesia, v. 16, n. 1, p. 17–28, 2026. DOI: 10.30998/mpnem260. Disponível em: https://newjournal.lppmunindra.ac.id/index.php/formatif/article/view/742. Acesso em: 18 apr. 2026.