TY  - BOOK
AU  - Rosamiran,Lean Grace R.
AU  - Rosamiran,Lean Grace R.
TI  - Effectiveness of manipulative device in understanding trigonometric concepts
U1  - 516.24  
PY  - 2025///
CY  - Iriga City
PB  - University of Saint Anthony
KW  - Effectiveness
KW  - Manipulative device
KW  - Trigonometry
N1  - Includes bibliographical references
ER  -