Siregar, Hermanto. “CHANGES IN FARMER TERMS OF TRADE AND AGRICULTURE NET-BARTER TERMS OF TRADE: AN EMPIRICAL ANALYSIS”. Jurnal Manajemen & Agribisnis 1, no. 1 (1): 1-19. Accessed May 14, 2024. https://jai.ipb.ac.id/index.php/jmagr/article/view/3355.