by Dra. Sri Sundari HS., M.Pd $6.00
by Aji Supriyanto $16.00
by Rob Faigin $12.00
by Ariesto Hadi $16.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by dr. Yohannis Manangsang $5.00
by Muhammad Noor $9.00