PERBEDAAN KADAR KOLINESTERASE DARAH PETANI PENYEMPROT PEMBIBITAN KELAPA SAWIT DENGAN PETUGAS GUDANG PESTISIDA DI PT TLS BATANGHARI THE DIFFERENCE OF CHOLINESTERASE RATE IN BLOOD OF SPRAYING FARMER OF PALM-OIL SEED WITH PESTICIDE WAREHOUSE OFFICERS IN PT PLS BATANGHARI JAMBI - SYAYUTI, MUHAMMAD (2008)