Metodologi penelitian kualitatif - Lexy J. Moleong (Remaja Rosdakarya, 2012)
ast, C1/ir,c.2/c.3/ir,c.4/oen, c.5-8/en, c.9-10/stoc1, c.1-5 /ws.c.11-13/why, .13/ws.c.14-16/nr,.17./ws.c.18