by Blau, Peter M. & Marshall W. Meyer $6.00
by Drs. H.A.S. Moenir $9.00
by Richard G. Lipsey., dkk $16.00
by Dr. Lijan Poltak Sinambel, M.M., M.Pd., dkk $9.00
by - $12.00
by Vincent Gaspersz $7.00
by $13.00
by Soerjani, Moh., Rafiq Ahmad & Rozy Munir $7.00
by Eddy Djunaedi Karnasudirdja $12.00
by Stefanny Irawan $7.00
by Margaret Way $7.00
by Hasjim Djalal $7.00