3 1 10 Cooper, Donald, R. Primary Author Emory, C. William Additional Author Gunawan, Ellen Translator Nurmawan, Imam Translator mixed material 9794113425 Jakarta Erlangga 1996 metode_penelitian_bisnis_2.JPG.JPG Spiegel, Murray R. Primary Author Susila, I Nyoman Primary Author Gunawan, Ellen Primary Author mixed material 26010337 Jakarta Erlangga 2004 img093.jpg Spiegel, Murray R. Primary Author Susila, I Nyoman Translator Gunawan, Ellen Translator mixed material Jakarta Erlangga 1992 020000265.jpg