De Leon, L. P. (1972). The effect of grouping on achievement, classroom participation and interaction of students in modern geometry at the Manuel L. Quezon (Public) High School, Manila.
Citação norma ChicagoDe Leon, Lorenzo Padua. The Effect of Grouping on Achievement, Classroom Participation and Interaction of Students in Modern Geometry at the Manuel L. Quezon (Public) High School, Manila. 1972.
Citação norma MLADe Leon, Lorenzo Padua. The Effect of Grouping on Achievement, Classroom Participation and Interaction of Students in Modern Geometry at the Manuel L. Quezon (Public) High School, Manila. 1972.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.