P.G.U.N. Gunathilaka และ B.M.A. Pushpakumara. (2026) THE IMPACT OF THE MARKETING MIX ON BUSINESS GROWTH: EMPIRICAL EVIDENCE FROM SMES IN SRI LANKA. Proceedings International Conference on Economics,Business and Interdisciplinary Studies:ม.ป.ท.P.G.U.N. Gunathilaka และ B.M.A. Pushpakumara. 2026. THE IMPACT OF THE MARKETING MIX ON BUSINESS GROWTH: EMPIRICAL EVIDENCE FROM SMES IN SRI LANKA. ม.ป.ท.:Proceedings International Conference on Economics,Business and Interdisciplinary Studies;P.G.U.N. Gunathilaka และ B.M.A. Pushpakumara. THE IMPACT OF THE MARKETING MIX ON BUSINESS GROWTH: EMPIRICAL EVIDENCE FROM SMES IN SRI LANKA. ม.ป.ท.:Proceedings International Conference on Economics,Business and Interdisciplinary Studies, 2026. Print.