by Brooks $20.00
by Prof. Dr. Umar Fahmi Achmadi, M.P.H., Ph.D $9.00
by D.B. Jellife $7.00
by Katzung $30.00
by Prof. Dr. dr. Siti A. Boediardja, dr. Titi Lestari Sugito $6.00
by Dr. Ronald Hutapea, SKM, Ph.D $6.00