Kustiani, L., Isnuwardiati, K., Widiawati, D., & Setyawati, D. (2021). The education, training, and coaching of household businesses producers of Opak Gambir. Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang, 6(4), 620–628. https://doi.org/10.26905/abdimas.v6i4.5741