by Ir. Juhaeni Radi $0.00
by Herbert G. Hick dan G. Ray Gullet $20.00
by David Roser $7.00
by H. Rahmat Rukmana $6.00
by $16.00
by Dr. Zakiah Daradjat, dkk $11.00
by Dra. Zuhairini, dkk $9.00
by - $5.00
by Drs. Ilham Gunawan $6.00