na INLIS000000000003811 20180816110637 0010-0818001064 ta 180816 d 0 ind 690.023 690.023 UMA m Umar sukrisno Menbangun mekanik bangunan Ed. 1 Jakarta : Erlangga, 1982 199 : Ilus ; 15 cm x 22,8 cm 1109/PSMKN1/B/VIII/2018