by Thabrani $13.00
by Ir. G. Djatmiko Sudarmo & Ir. S. J. Edy Purnomo $12.00
by WK $13.00
by $6.00
by Suharso, A.S.P $6.00
by Prof. drh. Charles Rangga Tabbu, M.Sc., Ph.D $18.00