15 1 10 Nelson, Marceda Primary Author mixed material 9780072985993 Boston: McGraw-Hill Higher Education 2007 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F36234.jpg Dumairy Primary Author mixed material 9795038280 Yogyakarta : BPFE 1999 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F14182.jpg Habieb, Marno Primary Author mixed material 9794504548 Jakarta : Ghalia Indonesia 2004 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F30005.jpg Mizrahi, Abe Primary Author mixed material 0471058734 New York: John Wiley & Sons 1979 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F13576.jpg a consumer approach / by Ingeborg A. Nickerson, Charles A. Nickerson Nickerson, Ingeborg A. Primary Author mixed material Columbus : A Bell & Howell 1981 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F27789.jpg principles and practice, complete / Rosenberg Rosenberg Primary Author mixed material New York : Gregg Pub. 1958 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F27245.jpg Saputra, Supriani Atmaja Primary Author mixed material 9794504270 Jakarta : Ghalia Indonesia 2002 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F10769.jpg Badrudin, Rudy Primary Author mixed material 9795033476ben Yogyakarta : BPFE 2003 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F26463.jpg Riyanto, Wahyu Hidayat Primary Author mixed material 9793021039 Malang : Universitas Muhammadiyah 2002 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F10770.jpg Bird, J.O. Primary Author mixed material 0582411238 London : Longman 1980 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F13336.jpg