TY - BOOK TI - Crops are now monitored from the sky PY - 0000///January 262019/// CY - [S.l.] PB - Manila Bulletin KW - Agriculture KW - Economic aspects UR - http://laup.launion.gov.ph/cgi-bin/koha/opac-retrieve-file.pl?id=8494c90d16a4312e1b5bc26d00c30127 ER -