Suhaya, N., Satia Negara Lubis and Rujiman Rujiman (2023) “ANALYSIS OF THE IMPACT OF THE PARTNERSHIP AND ENVIRONMENTAL DEVELOPMENT PROGRAM (PKBL) PT. PERKEBUNAN NUSANTARA IV IN IMPROVING THE SOCIO-ECONOMY OF THE BAH JAMBI I VILLAGE COMMUNITY, SIMALUNGUN DISTRICT”, Jurnal Ekonomi, 12(04), pp. 569–576. Available at: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/2985 (Accessed: 22 April 2026).