Kustiani L, Isnuwardiati K, Widiawati D, Setyawati D. The education, training, and coaching of household businesses producers of Opak Gambir. ABDIMAS J. Pengabdi. Masy. Univ. Merdeka Malang [Internet]. 2021 Nov. 2 [cited 2025 Mar. 9];6(4):620-8. Available from: https://jurnal.unmer.ac.id/index.php/jpkm/article/view/5741