TY  - BOOK
AU  - dela Cruz
AU  - Cutiongco
AU  - Ortega
TI  - Pag-unlad at pagsulong: : Araling Panlipunan
U1  - Fil. 300.599 P139 1979 
PY  - 1979///
CY  - Quezon City
PB  - Vibal Publishing House, Inc.
KW  - Social studies - Philippines
N1  - Includes bibliography
ER  -