by Tanenbaum $16.00
by dr. Muchlis Ramli, dr. Rainy U., dr. Sonar S.P $6.00
by Prof. dr. Sarwono Waspadji, Prof. dr. Slamet Suyono $9.00
by Nursalam $12.00
by Malvino $20.00
by Soedarmo, Sumarmo Poorwo $6.00
by Anand Krishna $7.00