by Booth, Anne $9.00
by RH. Wiwoho $7.00
by Prof. S.H. Rewoldt, Terj. Drs. A.H. Ali $7.00
by Budi Winarno $9.00
by Drs. H. Inu Kencana Syafiie, M.Si $9.00
by Hermawan Kartajaya & Yuswohady $9.00