MOHD AYUB, AHMAD FAUZI, WONG SU LIAN, and NORHAYATI MUKTI. 2005. “STUDENTS’ ATTITUDES TOWARD CALCULUS: A PRELIMINARY STUDY AMONG DIPLOMA STUDENTS AT UNIVERSITI PUTRA MALAYSIA”. Sains Humanika 42 (1). https://doi.org/10.11113/sh.v42n1.349.