by Drs. Muda Markus & Lalu Hendry Yujana $32.00
by Yuni Jie $30.00
by Marga T $12.00
by Michael LeBoeuf, Ph.D $11.00
by Drs. Ad. Rooijakkers $5.00
by Staton Robin $7.00
by Putu Fajar Arcana $9.00
by Robert Fulghum $7.00
by Prof. dr. Peter Kabo Ph.D., dr. Sjukri Karim $7.00
by Soedaryo Soimin $9.00
by Ostina Panjaitan $6.00
by Sulistyowati Irianto, Lim Sing Meij, Firliana Purwanti $9.00