by Ir. Sarjoni Basri $12.00
by Drs. G. Kartasapoetra $7.00
by Ir. Mul Muyani Sutedjo $7.00
by Drs. H. Abu Ahmadi $11.00
by Dr. W. Herdin Sibuea., dkk $7.00
by Rineka Cipta $12.00
by Dra. Ninik Widiyanti $9.00