by Marzuki Wahid & Rumadi $7.00
by Dr. Ir. Ahmad Khalid $11.00
by Drs. H. Basri Iba Asghary $11.00
by Dr. CB. Kusmaryanto, SCJ $7.00
by M. Veronica E. Wulandari, MC $5.00
by Yusuf al-Uqshari $9.00
by Katzung $26.00