APA (7th ed.) Citation

Villaflor, L. T. (1985). Teachers perceived difficulties in the teaching of calculus.

Chicago Style (17th ed.) Citation

Villaflor, Ludy T. Teachers Perceived Difficulties in the Teaching of Calculus. 1985.

MLA (9th ed.) Citation

Villaflor, Ludy T. Teachers Perceived Difficulties in the Teaching of Calculus. 1985.

Warning: These citations may not always be 100% accurate.