6 1 10 Soemarto Primary Author Effendi, Rustam Primary Author Syamsudin, Slamet Primary Author Sinambela, Wilson S. Primary Author mixed material 9797819981 Jakarta Erlangga 2007 Soemarto Primary Author mixed material Surabaya Usaha Nasional BL_11254.jpg.jpg Drs. Soemarto Primary Author mixed material Bandung Armico 1984 Soemarto, CD. Primary Author mixed material Surabaya Usaha Nasional 1987 01000722%601.jpg Soemarto, C, D. Primary Author mixed material Jakarta South-Western 1999 Danusugondho, Iskandar Primary Author Hoesin, Haslizen Additional Author Soemarto. R Editor mixed material Jakarta DPdan K 1982 010013247-k.jpg