by Ir. Eddy Afrianto & Ir. Evi Liviawaty $7.00
by St. Gitowiratmo, Pr. $4.00
by JB. Banawiratma, SJ. $4.00
by Ir. Sudadi Martodireso & Ir. Widada Agus Suryanto, MM $5.00
by Haryoto $5.00
by Tim Pustaka Familia $6.00
by Oka A. Yoeti $11.00
by $9.00
by Tria Ayu K $5.00
by Ir. Hieronymus Budi Santoso $5.00
by Jonni M.S, M.Sitorus, Nelly K $7.00
by Prof. dr. Arjatmo Tjokronegoro, Ph.D $5.00