by Drs. H.M. Laily Mansur L. PH. $6.00
by Drs. H. Abu Ahmadi $11.00
by ISEI $18.00
by Djoehana Setyamidjaja, M.Ed $7.00
by Al. Wahyasudibja, Pr $6.00
by Shaleh Ahmad Asy-Syaami $11.00