TY  - BOOK
AU  - Alba, Jose R. Sr.
AU  - I. Alba, Rey C.
TI  - Natural birth control for avoiding or achieving pregnancy : : the dry or wet method 
SN  - 9719145609
U1  - Fil. 613.9 Al326n 2007 Seventh edition
PY  - 2007///
CY  - Manila : 
PB  - M & L Licudine Enterprises
KW  - 1. Birth control.
KW  - 2. Human fertility.
N1  - Includes bibliographical references
ER  -