Cita APA (7th ed.)

Ragasa, C. Y. (1987). Some factors affecting mathematical problem solving ability in second year high school. s.n.

Cita Chicago (17th ed.)

Ragasa, Carmelita Yasana. Some Factors Affecting Mathematical Problem Solving Ability in Second Year High School. s.l: s.n, 1987.

Cita MLA (9th ed.)

Ragasa, Carmelita Yasana. Some Factors Affecting Mathematical Problem Solving Ability in Second Year High School. s.n, 1987.