by Prof. Dr. Soekartawi $7.00
by Syahmin AK $9.00
by Kenneth Baker $7.00
by H. Salim HS. S.H., M.S. $16.00
by John D. Martin $9.00
by Rodee, dkk. $13.00
by Sugiarto $0.00
by Aziz Alimul $9.00