by R.G. Soekadijo $9.00
by PPIM-UIN $7.00
by Abdul Tawwab Yusuf $5.00
by Yasa Boga $7.00
by Bharati Mukherjee $7.00
by Paulus Subiyanto $7.00
by Prof. Mr. Dr. Sudargo Gautama $6.00
by Budi Agus Riswandi $7.00
by Prof. Dr. Suharsimi Arikunto $9.00
by Donald A. Chu, Ph.D $6.00
by Ulrich $16.00
by Fachruddin M. Mangunjaya $12.00