Metodologi penelitian filsafat - Anton Bakker (Kanisius, 1994)
bh5/5/04; 10/5/04 C.2-5, sghc6/oen, c.7/ast c.8/ast c.9-10/stoc2,c.1-5/stoc5.c6-8/nr,.09/nr,.10/nr,.11