by W.A.R. Thomson $6.00
by Prof. Dr. Nurlela Boedjang, dr. Kahar Kusumawidjaja $6.00
by $7.00
by WK $16.00
by WK $11.00
by Kusumoputro, Sidiarto dkk $9.00
by Dr. Ahmad Rofiq, MA $7.00
by Hilman Hariwijaya & Boim Lebon $5.00