Jannah, E.M., Nurmalina, R. and Asmarantaka, R.W. 2019. Tingkat Persaingan Eksportir Utama Lada Dunia. Jurnal Agro Industri Perkebunan. 7, 2 (Oct. 2019), 107-120. DOI:https://doi.org/10.25181/jaip.v7i2.1128.