by Harry Simons $12.00
by $7.00
by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Tim Dapur Kita $2.69
by Prof. Dr. Suharsimi Arikunto $11.00
by Pradipta $11.00
by H. Hamrat Hamid, S.H. dan Harun M. Husein, S.H. $7.00