Dr Francis Okyere and Dr Edmund Owusu Amoakoh (2019) “ACHIEVING HAIR SALON COMPETITIVENESS THROUGH RELATIONSHIP MARKETING MODEL: A CASE OF HAIR SALONS IN THE FREE STATE PROVINCE IN SOUTH AFRICA”, IJRDO - Journal of Business Management, 5(9), pp. 396-409. doi: 10.53555/bm.v5i9.3246.