by S.R. Parker, dkk $9.00
by Prof. Dr. M. Mutawalli asy-Sya'rawi $7.00
by Johny S.L Chiu, dkk $11.00
by Drs. B. Boediono, M.Si $11.00
by C. Rollin Niswonger $12.00
by DR. Dr. Sidartawan Soegondo, SpPD-KEMP, FACE $11.00
by - $9.00