“Workshop and Deepening of Carbon Chemistry Materials Using Problem-Based Learning to Improve Literacy and Critical Thinking of High School Chemistry Teacher at MGMP Pangandaran [Workshop dan Pendalaman Materi Kimia Karbon Melalui Metode Problem-Based Lear”, JPI, vol. 1, no. 2, pp. 59–70, Nov. 2022, Accessed: Oct. 09, 2026. [Online]. Available: https://ejournal-science.upi.edu/jpi/article/view/1575