na INLIS000000000013898 20231202143020 231202||||||||| | ||| |||| || | 979-533-369-0 010-1223013898 id 621.3142 621.314 2 Sum t Sumanto Teori transformator Ed.2,cet.1 Yogyakarta Andi Offset 1996 167 hlm. : ilus. ; 22 cm. R24.12 - R24-0199 Pegawai -- Pembinaan