Ooi Keat Gin. “From Free Port to Modern Economy: Economic Development and Social Change in Penang, 1969 to 1990, Edited by Chet Singh, Rajah Rasiah & Wong Yee Tuan”. Kajian Malaysia, vol. 38, no. 2, Oct. 2020, pp. 187–191, https://doi.org/10.21315/km2020.38.2.8.