Found 4 from your keywords:
Author : "Poerwadi, Petrus"
Author(s) : Admojo, WIhadi - Iper, Dunis - Poerwadi, Petrus -
Collection Location : Ruang Baca FBS
Author(s) : Poerwadi, Petrus - I. Iper, Dunis -
Collection Location : Perpustakaan Pusat
Author(s) : Iper, Dunis - I. Poerwadi, Petrus -
Collection Location : Perpustakaan Pusat
Author(s) : Poerwadi, Petrus - I. Iper, Dunis II. Purwaka, A -
Collection Location : Perpustakaan Pusat