Yusuf, H. A., Ringim, K. J. and Mahdi, F. (2025) “Effect of Service Marketing Mix Strategy on Performance of Proprietary Patent Medicine Vendors (PPMVs); Moderating Role of Learning Competence”, FUDMA Journal of Accounting and Finance Research [FUJAFR] , 3(2), pp. 230–249. doi: 10.33003/fujafr-2025.v3i2.201.230-249.