by Nursalam $11.00
by Prof. Dr. dr. H. Djang Jusi $9.00
by R.S. Dr. Cipto Mangunkusumo $7.00
by Sakti A. Siregar $6.00
by Aziz Alimul $9.00
by Amir Sambodo $9.00
by Drs. Jumingan, S.E., M.M., M.Si $11.00