Development and acceptability of worktext in plane trigonometry
De Lemon, Rosalie F,
Development and acceptability of worktext in plane trigonometry - Morong, Rizal [publisher not identified] 2009 - 85 pages ; 28 cm.
Teaching -- Aids and devices.
Plane trigonometry.
371.33 / D37
Development and acceptability of worktext in plane trigonometry - Morong, Rizal [publisher not identified] 2009 - 85 pages ; 28 cm.
Teaching -- Aids and devices.
Plane trigonometry.
371.33 / D37