by dr. St. Arif Haliman, MPH dkk $4.00
by Drs. Save M. Dagun $7.00
by M. Veronica E. Wulandari, MC $5.00
by John Kirvan $6.00
by Prof. Drs. Sri Rumini $6.00
by Adian Husaini, M.A $16.00