by Donald L. Levene & John L. Provan, MD $5.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by Sagimun MD $7.00
by Nursalam $12.00
by Kamaruddin Ahmad., S.E $7.00
by Prof. Drs. S. Pamudji, M.P.A $7.00
by Dr. Soegeng Santoso, M.Pd dan Dra. Anne Lies Ranti., M.Pd $9.00