by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00
by Don WS, Cherry Hadibroto $13.00
by Cepi Triatna, S.Pd $7.00
by Drs. Suyadi Prawirosentono, MBA $0.00
by H. Rahmat Rukmana $6.00
by Ir. Mul Muyani Sutedjo $6.00
by Dr. Ir. Wisnu Cahyadi, M.Si $6.00