Yap, B.W., Abdullah, N., Abdul-Rahman, S. and Tan, M.L.P. 2018. TEXT MINING AND SENTIMENT ANALYSIS ON REVIEWS OF PROTON CARS IN MALAYSIA. Malaysian Journal of Science. 37, 2 (Dec. 2018), 137–153. DOI:https://doi.org/10.22452/mjs.vol37no2.5.