PutraA.P., FahmiI. and WibisonoY. 2015. COMPETITIVE STRATEGY OF A MARKET LEADER; CASE OF UD. PRIMADONA’S PROL TAPE JEMBER - EAST JAVA. Indonesian Journal of Business and Entrepreneurship (IJBE). 1, 3 (Sep. 2015), 127. DOI:https://doi.org/10.17358/ijbe.1.3.127.