na INLIS000000000007118 Ind 0010-1118007118 International symposium new horizons in agricultural information management March 13-14, 1990, Beejing, China INTERNATIONAL SYMPOSIUM NEW HORIZONS IN AGRICULTURAL INFORMATION MANAGEMENT ( 1990 : Beejing ) International Development Research Centre Beejing Chinese Academy of Agricultural Science 1990 Hal. tak beraturan; ill.; 31 cm Hal. tak beraturan; ill.; 31 cm 63INTi 63 AGRICULTURE INFORMATION MANAGEMENT 387/90-mfn8896