[1]
N. Padang, S. . Irnihsyah Irawan, R. . Atika, J. . Br.Manalu, and J. . Safitri Sitorus, “EFFECT OF PRODUCTION COSTS, PROMOTIONAL COSTS, AND SALES VOLUME ON NET PROFIT IN MANUFACTURING COMPANIES”, jit, vol. 16, no. 3, pp. 374–381, Jun. 2022.