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Laju Pelepasan Urea dari Onggok-g-poliakrilat dan Biodegradasinya
(2014)
Onggok is a byproduct of tapioca production from cassava. Onggok contains 73% of starch which is potential to be transformed into soil conditioner, i.e. hydrogel to control urea release rate. Onggok was copolymerized by ...