Kartika, I. et al. 2025. Implementation of contextual and experimental learning through training on yogurt production for chemistry teachers in the MGMP Jakarta Selatan 2. Transformasi: Jurnal Pengabdian Masyarakat. 21, 2 (Dec. 2025), 300–314. DOI:https://doi.org/10.20414/transformasi.v21i2.13237.