Irwanto, I., Sari, N. and Idris, I. (2021) “Analisis Biaya Pemasaran pada UD. Ateng Jaya Binjai”, BISMA Cendekia, 2(1), pp. 65–73. Available at: https://ojs.politeknikcendana.ac.id/index.php/bisma/article/view/43 (Accessed: 29 July 2026).