Clemencia O. Merino, I.F. Bayas-Morejon, M. Changoluisa, Maria P. Lema, Cecilia Gomez, L. Verdezoto, I. Moreno, Myriam C. Merino, Rosa A. Tigre and Washington Donato
Journal of Engineering and Applied Sciences 14 ( 8 ): 2504 - 2512 , 2019