Espinosa Romero, C. I., & Jiménez Espinosa, A. (2014). Construction of the concept of ratio and constant ratio from the social epistemological viewpoint. Universidad Pedagógica y Tecnológica de Colombia.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Espinosa Romero, César Iván, ба Alfonso Jiménez Espinosa. Construction of the Concept of Ratio and Constant Ratio from the Social Epistemological Viewpoint. Universidad Pedagógica y Tecnológica de Colombia, 2014.
MLA -ийн эшлэл (9 дэх хэвлэлт)Espinosa Romero, César Iván, ба Alfonso Jiménez Espinosa. Construction of the Concept of Ratio and Constant Ratio from the Social Epistemological Viewpoint. Universidad Pedagógica y Tecnológica de Colombia, 2014.
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