(1)
Arroyo Yupanqui, M. A.; Pérez Ticse, J. C.; Villaverde Montoya, O.; Morales Paredes, W.; Valenzuela Muñoz, A.; Balvin De la Cruz, C. F. Estimation and Its Determinants of Total Productivity Changes of Peru Factors 1980 -2019. Llamkasun 2021, 2, 52-76.