-
921
A programming solution to the plant location-allocation problem in forestry [microform]
Published 1980Visual Material -
922
-
923
-
924
-
925
-
926
Interaction of rate and time of nitrogen application and weed control methods in upland rice [microform].
Published 1980Visual Material -
927
-
928
-
929
Folk medical practices in a barrio their implications for the rural health program [microform].
Published 1980Visual Material -
930