by H.A.R. Tilaar $11.00
by Katzung $26.00
by Dr. Haryatmoko $11.00
by Prof. dr. Sarwono Waspadji, Prof. dr. Slamet Suyono $9.00
by Aziz Alimul $9.00
by Fajar Arifin Gunawan & Elna Kartawiguna $10.00