1. Assessing The Mathematics Achievement of College Freshmen Using Piaget’s Logical Operation;Leongson,2003
2. Applying Piaget’s Theory of Cognitive Development to Mathematics Instruction;Ojose;Math. Educ.,2008
3. Cognitive Development in Jean Piaget’s Work and its Implications for Teachers;Joubish;World Appl. Sci. J.,2011
4. The Piaget theory of cognitive development: An educational implications;Lubben;Educ. Psychol.,2014
5. Improving mathematical problem solving skills through visual media;Widodo;Journal of Physics: Conference Series,2018