TY  - BOOK
AU  - Madera, Marilou T. 
TI  - Print and digitized modular distance learning mathematics : : its functionality in the public senior high schools / 
U1  - TH 371.33 M26p 2021 
PY  - 2021///
CY  - Polytechnic College of La Union : 
PB  - [s.n.], 
KW  - Teaching
KW  - Aids and devices.
N1  - Bibliography: pages 85-87
ER  -