共 19 条
[11]
*INT RIC RES INST, 1978, ANN REP 1977, P357
[12]
*INT RIC RES INST, 1975, ANN REP 1974, P295
[13]
*INT RIC TEST PROG, 1975, STAND EV SYST RIC
[14]
LAU LJ, 1971, AM ECON REV, V61, P94
[17]
TIMMER C. P., 1970, Food Research Institute Studies. Stanford University, V9, P99
[18]
VALERA A, 1975, LAND PREPARATION ITS
[19]
VILLEGAS L, 1970, RICE PRODUCTION MANU