by Daniel Gilbert $12.00
by Rhenald Kasali, Ph.D $30.00
by Riyadi & Deddy S $11.00
by Nursalam $9.00
by Sufi S.Y. $6.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by Dr. Mohammad Muslehuddin $7.00
by M. Ghufron H. Kordi K $7.00
by M. Ali Ketani $12.00
by Prof. Mr. Roeslan Saleh $7.00
by - $9.00
by Rahmat Ali $9.00