Yusuf, M., and Jamalludin Sulaiman. “The Analysis of Labor Force Participation in Rubber Smallholding Sector in Banyuasin Regency, South Sumatera, Indonesia”. Journal of Economics, Business, & Accountancy Ventura, vol. 18, no. 1, June 2015, pp. 39-46, https://doi.org/10.14414/jebav.v18i1.380.