Jiménez Espinosa, A., Parra Quemba, L. E., & Camacho Reyes, H. D. (2019). Teaching and learning in problem solving: Algebraic identity. Universidad Pedagógica y Tecnológica de Colombia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJiménez Espinosa, Alfonso, Laura Emily Parra Quemba, और Hollman Dubán Camacho Reyes. Teaching and Learning in Problem Solving: Algebraic Identity. Universidad Pedagógica y Tecnológica de Colombia, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJiménez Espinosa, Alfonso, et al. Teaching and Learning in Problem Solving: Algebraic Identity. Universidad Pedagógica y Tecnológica de Colombia, 2019.
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