TY  - BOOK
AU  - Ehigan, Marfelyn B.
AU  - Bilag, Ferlyn B.
AU  - Bautista, Jenny D.
AU  - Cruz, Maria Cecelia O.
TI  - Analysis of errors in solving trigonometric problems among mathematics majors pre-service teachers
SN  - (cb.)
KW  - Trigonometric
KW  - Pre-service teachers
ER  -