by Tierney $18.00
by Drs. C. I. Bc. Harsono Hs IP $5.00
by Peni Nurhidayati $9.00
by Ir. Ibnu Dwi Buwono, M.Si $7.00
by Dr. Ahmad Rofiq, MA $12.00
by Yasa Boga $7.00
