López, D. M. (2020). Design and implementation of a teaching-learning sequence of the chemical element concept in high school education. Universidad Pedagógica y Tecnológica de Colombia.
芝加哥风格引文López, Dulce María. Design and Implementation of a Teaching-learning Sequence of the Chemical Element Concept in High School Education. Universidad Pedagógica y Tecnológica de Colombia, 2020.
MLA引文López, Dulce María. Design and Implementation of a Teaching-learning Sequence of the Chemical Element Concept in High School Education. Universidad Pedagógica y Tecnológica de Colombia, 2020.
警告：这些引文格式不一定是100％准确.
