by dr. Titus S. Pusponegoro, Prof. dr. Hans E. M. $5.00
by WK $12.00
by Prof. C.J. Ebrahim $6.00
by Aziz Alimul $7.00
by Dr. Taufik Jamaan, SpOG $35.00
by Ganijanti $16.00
by Kasmir, S.E., M.M $13.00
by $9.00
by Aziz Alimul $9.00