Marisa J, Sitepu SA. Increased Revenues in Beef Cattle Business in Hamlet I Kelambir V Village in Hamparan Perak Sub-District Deli Serdang Regency. J.Saintech Transf. [Internet]. 2018Aug.10 [cited 2024Dec.23];1(1):54-7. Available from: https://talenta.usu.ac.id/jst/article/view/274