by Anton Margo $8.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $5.00
by Lyle W. Morgan II, Ph.D., HMD $7.00
by Iin Inayah $11.00
by Masaru Emoto $7.00
by Allan E.H. Enery $6.00
by dr. Yohannis Manangsang $5.00