Pengantar penelitian ilmiah: dasar, metode dan teknik - Winarno Surakhmad (Tarsito, 1982)
ast/ ir,c.3/oen, C.4/ir,c.5/nr,c.6/tr,c.7/ast c.8/ast c.9,10/ws.c.11-12/stoc6, c.1-10