21098 637 10 Mark W. Lipsey Primary Author David B. Wilson Additional Author mixed material 0761921672 California Sage Publications 2000 Grounded Theory Procedures and Techniques Anselm Strauss Primary Author Juliet Corbin Additional Author mixed material 0803932502 California Sage Publications 1990 Ahmad Abdul Jawwad Primary Author mixed material 9799435811 Bandung syamil cipta media 2002 Skripsi Thesis 1 Sutrisno Hadi Primary Author mixed material Yogyakarta Andi Offset 1986 Skripsi Thesis 2 Sutrisno Hadi Primary Author mixed material Yogyakarta Andi Offset 1987 David H. Olson Editor mixed material 0803914741 London Sage Publications 1979 Fakultas Psikologi Universitas Medan Area Primary Author mixed material Medan Universitas Medan Area hilton davis Primary Author mixed material 04719218186 england Jhon Willey & SOns 1991 Richard A. Schmuck Primary Author mixed material 1575170418 Illinois Training and Pubishing 1997 Theory and Practice Roger b Ellis Primary Author mixed material New York Churchill Livingstone 1995