SUHAYA, N.; SATIA NEGARA LUBIS; RUJIMAN RUJIMAN. 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, [S. l.], v. 12, n. 04, p. 569–576, 2023. Disponível em: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/2985. Acesso em: 22 apr. 2026.