ET. AL., H.-H. Y. . Research on the R&D Efficiency Based on the Three-Stage Dea Index-Taking the High-Tech Industry as an Example. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 11, p. 4172–4183, 2021. DOI: 10.17762/turcomat.v12i11.6545. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/6545. Acesso em: 4 may. 2024.