by Robert K. Yin $7.00
by Drs. Hg. Suseno Triyanto Widodo $6.00
by John Westerman $11.00
by Ansoriy Al Mansur $6.00
by Drs. Muchdarsyah Sinungan $12.00
by Richard Whiteley $7.00
by $11.00
by Kansil C.S.T $11.00
by Asghar Ali Engineer $7.00
by DR. A. Saleh Abdullah $9.00
by Soedharyo Soimin, S. H. $9.00