by Hafidz341 & Ria $7.00
by K.H.D. Zawawi Imron $5.00
by Indriani $6.00
by Prof. Dr. Zuhal M.Sc.EE & Ir. Zhanggischan $36.00
by Darmadi Durianto, Sugiarto, dkk $7.00
by Aiko Gibo $7.00