-
921
-
922
-
923
Interaction of rate and time of nitrogen application and weed control methods in upland rice [microform].
Published 1980Visual Material -
924
-
925
-
926
Folk medical practices in a barrio their implications for the rural health program [microform].
Published 1980Visual Material -
927
-
928
-
929
Petiole anatomy and infrageneric-inter-specific relationships of Philippine Shorea (Dipterocarpaceae) [microform].
Published 1980Visual Material -
930