Álava, Alex Paúl Zambrano, Ana Thalía Lucas Zambrano, and María De Los Ángeles Lucas Zambrano. 2020. “Diagnostic Evaluation Application As Requirement on Course Beginning for First Baccalaureate "A" Sciences on Educational Unit "El Carmen"”. International Journal of Engineering and Computer Science 3 (1):1-6. https://doi.org/10.31295/ijecs.v3n1.143.