Ahmad Harianto, R., Rony, Z., Syarief, F., & Fauzi, A. (2023). The Study of Managerial Knowledge, Attitude, and Intention Toward Willingness To Pay On Consumers Cosmetic Products. The International Journal of Education Management and Sociology, 2(1), 25–29. https://doi.org/10.58818/ijems.v2i1.21