Ismail Wellid, et al. “Technical Training on Replacement of R410a With R290 in Split Air Conditioners As an Effort to Reduce Global Warming for BLK Instructors in Karawang Regency”. ABDIMAS: Jurnal Pengabdian Masyarakat, vol. 7, no. 2, Apr. 2024, pp. 762-70, doi:10.35568/abdimas.v7i2.4753.