by $4.00
by Ir. Hieronymus Budi Santoso $5.00
by Abdul Baqir Zein $11.00
by Ir. Fahmi Amhar & dr. Arum Harjanti $6.00
by Dr. M. Ibrahim al-Mishri $6.00
by Prof. H.M. Arifin, M.Ed $7.00