by Betty Sri Laksmi & Winiati Pudji Rahayu $7.00
by WK $12.00
by Ir. Hieronymus Budi Santoso $6.00
by $5.00
by Coen Reijntjes, Bertus Haverkort & Ann Waters-Bayer $18.00
by Ir. G. Djatmiko Sudarmo & Ir. S. J. Edy Purnomo $11.00
by A. Dodong Budianto $11.00