Wangwacharakul, V. “Iloilo, Philippines Direct and Indirect Effects of Agriicultural Development on Structure of the Economy : The Case of Iloilo Province Philippines”. Kasetsart Journal of Social Sciences, vol. 6, no. 2, July 1985, pp. 97-117, https://so04.tci-thaijo.org/index.php/kjss/article/view/243567.