TY  - BOOK
AU  - Sangatanan, Pedro D.
AU  - Sangatanan,Rone L.
TI  - Soil management
SN  - 9712305813
PY  - 1990///
CY  - Manila
PB  - Rex Book Store Inc
KW  - Soil management
KW  - sears
N1  - References: p. 259-264
ER  -