Items where Author is "Purwaningtyas, Erfina Tri"
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Ardika, Novela Heppy and Purwaningtyas, Erfina Tri (2013) PRA RANCANGAN PABRIK POLIPROPILENA DENGAN PROSES UNIPOL KAPASITAS 125.000 TON/TAHUN. Other thesis, UPN "VETERAN" YOGYAKARTA.