by Kartini Kartono $7.00
by $4.00
by Drs. S. Ansory Al-Mansur $6.00
by Yusuf Abdullah Daghfag $6.00
by Prof. Dr. Mahmud Syaltut $11.00
by Karen Katafiasz $3.00
by Prof. Ir. Zoer'ani Djamal Irwan, M.Sc $7.00
by Ny. Susmayati, B.A $7.00
by Lipschutz $13.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $5.00
by Suryatati A Manan, Martha Sinaga $7.00
by Isharry Agusjaya Moe $4.80