Creators JOSHAFAT UNTUNG Contributors Unknown Publisher Universitas Kristen Petra Language Indonesian Theme Digital Theses Category Undergraduate Thesis Sub category Skripsi/Undergraduate Thesis Source Skripsi No. 89.54.016/MESN/1989; Joshafat Untung (582080) Subjects HEATING-CONTROL; HEATING-EQUIPMENT AND SUPPLIES-MAINTENANCE AND REPAIR