6790 407 10 SARCO, Spirax Additional Author mixed material Singapura Spirax Sarco Private Limited 1987 OWEN, Wilfred Additional Author Ezra Bowen Additional Author Wilfred Owen Additional Author mixed material Jakarta Tira Pustaka 1980 LEWIS, Edward V Additional Author Robert O\'Brien Additional Author Edward V.Lewis Additional Author mixed material Jakarta Tira Pustaka 1982 BRIEN, Robert O Additional Author mixed material Jakarta Tira Pustaka 1982 STEVER, H.Guyford Additional Author James J. Haggerty Additional Author H.Guyford Stever Additional Author mixed material Jakarta Tira Pustaka 1980 EDWARDS, Perry Additional Author mixed material 080876408X California Burgess Communications 1986 POERnomo Additional Author mixed material Jakarta Bhratara Karya Aksara 1979 LEOPOLD, Luna B Additional Author Kenneth S. Davis Additional Author Luna B. Leopold Additional Author mixed material Jakarta Tira Pustaka 1981 SAWATZKY, Jasper J Additional Author Shu-Jen Chen Additional Author Jasper J. Sawatzky Additional Author mixed material 0471886556 Canada John Wiley & Sons 1985 AAK Additional Author mixed material 9794130788 Yogyakarta Kanisius 1983