TY  - BOOK
TI  - Field operations manual
SN  - 9789719081371
PY  - 2007///
CY  - Maligaya Science City of Munoz, Nueva Ecija
PB  - PhilRice Research Insttitute
KW  - Agriculture-rice farming
KW  - sears
N1  - References: p. 118
ER  -