http://mssyarif.blogdetik.com http://signal-railways.blogspot.com Alumni FTUI 86, SMAN 37 Tebet, SMP 115 (Smabel) Tebet, SD 05 Gudang Peluru Tebet
KAMPUNG BANDAN PROJECT, TRLI TRACK LAYOUT IMPROVEMENT, CKY RESIGNALING, TOCS TRAIN OPERATION CONTROL SYSTEM, BANDUNG CORRIDOR DOUBLE TRACKING,DEPO DEPOK, SEGMENT 3 DOUBLE TRACKING, MRT MASS RAPID TRANSIT, SOUTH LINE PROJECT