by Prof. dr. Arjatmo tj., dr. boenyamin S $5.00
by dr. Iwan Ikayuda, dr. Sukonto K., Prof. dr. Sjahriar R $20.00
by Masaru Emoto $9.00
by Iin Inayah $11.00
by Swasono, F. Meutia $7.00
by Dr. R. Hutapea, SKM, Ph.D $7.00