by J. Guwandhi, SH. $5.00
by Jane Scrivner $11.00
by Nursalam $12.00
by Aziz Alimul $9.00
by Prof. Dr. Umar Fahmi Achmadi, M.P.H., Ph.D $11.00
by Dr. Pradana Soewondo, SpPD-KEMD $7.00
by Duvey, K.J $7.00
by R. Rizky $6.34