by Mochtar Buchori $6.00
by Ir. Endar Sugiarto, B.A $6.00
by Och & Eddie $7.00
by Redaksi (Penghimpun) $7.00
by Nursalam $12.00
by S. Mara Gd $9.00
by Dr. Hamzah B. Uno, M.Pd $0.00
by Arief Sardiman, dkk $11.00
by $11.00
by Bernadetta Sri Lusiani, dkk. $7.00
by - $12.00
by Tim MedPress $7.00
