?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Yusrizal&rft.au=Yusrizal%2C+Yusrizal&rft.aufirst=Yusrizal&rft.title=Content+Overview+of+Workers+Cholinesterase+Enzyme+at+PT.+Great+Giant+Pineapple+Plantation%2C+Kabupaten+East+Lampung&rft.inst=Poltekkes+Tanjungkarang&rft.degree=Diploma&rft.date=5+June+2020