by Tangoro, Dwi dkk $6.00
by Ir. M. Lies Suprapti $6.00
by WK $11.00
by WK $12.00
by Aziz Alimul $9.00
by Nursalam $12.00
by Adiwarman Karim $13.00
by Dr. Ir. Muhammad Rasyaf, MS $9.00
by Anand Krishna $11.00
by Dawn Lighter, M.A $7.00
by Adian Husaini, M.A & Abdurrahman Al-Baghdadi $6.00
by KINOYSAN $6.00