Hasibuan A, Rahman Suleman A, Sri Poneni I, Parinduri L, Krianto Sulaiman O. Analysis of effect of production costs and employment on sale of kurma salak. IJET [Internet]. 2018 Mar. 19 [cited 2025 Apr. 14];7(2.9):56-60. Available from: https://sciencepubco.com/index.php/IJET/article/view/13347