by Taufik Amir $11.00
by Burhan Bungin $9.00
by Dick Hartoko $6.00
by Muhaimin $9.00
by Muana Nanga $13.00
by Dr. H. Abuddin Nata, MA $11.00
by Moh. Said Al-Asymawi $9.00
by Ny. Susmayati, B.A $7.00
by Lipschutz $13.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $5.00
by Hannan Athiyah Ath-Thuri $11.00
by Isharry Agusjaya Moe $4.80