PANE, L. G. H. . Analisis Efisiensi Teknis Perkebunan Kakao Sumatera Utara Dengan Pendekatan Stochastic Frontier (SFA). Journal of Analytical Research, Statistics and Computation, [S. l.], v. 2, n. 1, p. 63–77, 2023. DOI: 10.4590/jarsic.v2i1.19. Disponível em: https://www.jarsic.org/main/article/view/19. Acesso em: 18 apr. 2026.