Ferli, Ossi, et al. “International Collaboration Community Service Indonesia Banking School – Khon Kaen Business School: SIMPPRO (Sistem Manajemen Peningkatan Produktivitas) to Improve Productivity Level of SMEs in Indramayu, West Java, Indonesia”. Asian Journal of Community Services, vol. 3, no. 3, Mar. 2024, pp. 327-36, doi:10.55927/ajcs.v3i3.8497.