TY  - BOOK
AU  - 
AU  - Tujan, Antonio A.,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 9718707263 (papeback)
SN  - 2
PY  - 1997///];copyright 199746
CY  - Manila
PB  - Ibon Foundation
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Environmental conditions
KW  - Philippines
N1  - Published with the assistance of DanChurchAid--T.p. verso.;Includes bibliographic records; 5
ER  -