by Don W.S., Threes Emir, dan Cherry H $7.00
by Drs. Heryando Palar, Drs. Asman Riald $12.00
by Wied Harry Apriadji $12.00
by J. Soedjati Djiwandono $7.00
by K. Bertens $9.00
by Enita Sriyana $7.00