Setiawan, Wawan Lulus. “The Model of Communication of Education in the Village Unit Cooperatives (KUDs) and in the Traditional Islamic Boarding School Cooperatives (Kopontren): A Study in West Java Province, Indonesia”. European Journal of Interdisciplinary Studies, vol. 8, no. 3, Sept. 2023, pp. 128-39, https://doi.org/10.2478/eujss-2023-0020.