TY  - BOOK
AU  - Iballa,Anita Barayoga
TI  - Social reinforcement used by multigrade teachers in baao district, division of camarines sur: an appraisal
PY  - 2000///
CY  - San Miguel, Iriga City
PB  - University of Saint Anthony
KW  - Social reinforcement
N1  - Includes bibliographical references
N2  - Social reinforcement used by multigrade teachers in baao district, division of camarines sur: an appraisal
ER  -