by - $13.00
by Agusnawar $6.00
by Dr. Sofyan Syafri Harahap, M.S,Ac $7.00
by Jamrin Abubakar $15.00
by Prof. Dr. Sondang P. Siagian, M.P.A $7.00
by Audrey Kahin $18.00
by Muhammad Nejatullah Siddiqi $7.00