8 1 20 Desain Dan Metode Yin, Robert K. Primary Author mixed material 979421499x Jakarta Raja Grafindo Persada 2003 studi_kasus.png.png Sugiyono Primary Author mixed material 979843337x Bandung Alfabeta 2012 Memahami_Penelitian_Kualitatif.jpg.jpg Sugiyono Primary Author mixed material 9786022895336 Bandung Alfabeta 2019 Metode_Penelitian_Kuantitatif%2C_Kualitatif_Dan_R%26D.jpg.jpg Sugiyono Primary Author mixed material 9798433640 Bandung Alfabeta 2017 Metode_Penelitian_sugiyono.jpg.jpg Sugiyono Primary Author mixed material 9786022893257 Bandung Alfabeta 2018 Metode_Penelitian_Kualitatif.jpg.jpg Ferdinand, Augusty Primary Author mixed material 9797042545 Semarang Badan Penerbit Universitas Diponegoro 2011 Metode_Penelitian_Manajemen_augusty.jpg.jpg Ferdinand, Augusty Primary Author mixed material 9797042545 Semarang Badan Penerbit Universitas Diponegoro 2013 Ferdinand, Augusty Primary Author mixed material 9797042545 Semarang Badan Penerbit Universitas Diponegoro 2006 Metode_Penelitian_Manajemen.jpg.jpg