by G. Siregar, Laksmi $7.00
by Baum, Warren C & Stokes M. Tolbert $9.00
by Kian Wie, Thee $6.00
by Buckle, K.A., dkk $7.00
by Lachman, L., Herbert A. Lieberman & Joseph L. Kanig $11.00
by Dra. Sutratinah Tirtonegoro $7.00