Hidayah, I. ., and A. N. . Susanto. “Economies of Scale and Allocative Efficiency of Rice Farming at West Seram Regency, Maluku Province, Indonesia”. Asian Economic and Financial Review, vol. 3, no. 5, May 2013, pp. 624-3, https://archive.aessweb.com/index.php/5002/article/view/1036.