Daulika, P., K.-C. Peng, and N. Hanani. “ANALYSIS ON EXPORT COMPETITIVENESS AND FACTORS AFFECTING OF NATURAL RUBBER EXPORT PRICE IN INDONESIA”. Agricultural Socio-Economics Journal, vol. 20, no. 1, Jan. 2020, pp. 39-44, doi:10.21776/ub.agrise.2020.020.1.6.