Sirait, Afrinson, Edison Edison, and Elwamendri Elwamendri. 2018. “ANALISIS DAYA SAING EKSPOR CRUMB RUBBER PROVINSI JAMBI”. Jurnal Ilmiah Sosio-Ekonomika Bisnis 20 (2):7. https://doi.org/10.22437/jiseb.v20i2.5060.