by Dra. Zuhairini, dkk $9.00
by - $11.00
by Dr. Sofyan Syafri Harahap, M.S,Ac $12.00
by Wahyu Qamara Mugnisjah & Asep Setiawan $7.00
by Drs. Rusyadi., dkk $28.00
by SONY ADE $6.00