by R. Soegeng $16.00
by Ir. Susy Fatena Roestiyanti, M.Sc $7.00
by Thayadi $0.00
by WK $11.00
by Dr. Ir. H. Suprijanto $9.00
by Sudarwan Danim $7.00
by Shelly $26.00
by Daniel Goleman, Ph.D. $12.00
by Suhrawardi K. Lubis, S. H. $11.00