D. Yunus Lutfiansyah, A. Hufad, and P. ., “The Conceptual Model of Community Learning Center (PKBM) in Indonesia and Community Cultural Learning Center (Kominkan) in Japan”, IJET, vol. 7, no. 3.30, pp. 246–250, Aug. 2018, doi: 10.14419/ijet.v7i3.30.18250.