by Richard I Levin $16.00
by Kusnadi, dkk $6.00
by Soepranto. J. $7.00
by Dr. Oemar Hamalik $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Soerjani, Moh., Rafiq Ahmad & Rozy Munir $7.00