Sirait S, Sinaga K. Effective BUMDes Management Strategies to Improve Village Economy in Naga Dolok Village, Simalungun Regency. Mantik [Internet]. 2020Nov.30 [cited 2026Jun.10];4(3):2218-24. Available from: https://www.iocscience.org/ejournal/index.php/mantik/article/view/1106