DAMIRAN, Tseveennamjil; AMARTUVSHIN, Amarzaya. Example of data envelopment analysis method based on partially ordered set theory. Journal of Institute of Mathematics and Digital Technology, [S. l.], v. 6, n. 1, p. 40–47, 2024. DOI: 10.5564/jimdt.v6i1.3608. Disponível em: https://mongoliajol.info/index.php/JIMDT/article/view/3608. Acesso em: 5 dec. 2025.