by Daniel Goleman, Ph.D. $12.00
by Barbara de Angelis, Ph.D $6.00
by Aloys Budi Purnomo, Pr. $6.00
by DRAJAT, S.PD & JANU ISMADI, S.PD $7.00
by Nyoman S. Pendit $11.00
by Victor Situmorang, S.H $9.00