na INLIS000000000012015 20231202142610 231202||||||||| | ||| |||| || | 979-428-173-8 010-1223012015 id 621.38 621.38 SAY s Saydam, Gouzali Sistem telekomuniksi 2 S.N. R24.14 - R24-0229-1 Telekomunikasi