by H. Roihan A. Rasyid $9.00
by Drs. H. M. Yusran Asmuni $6.00
by Reynold Nicholson $5.00
by Prof. Dr. Veithzal Rivai $12.00
by Fausiah, Fitri, & Julianti Widury $7.00
by Drs. Ary H. Gunawan $7.00