27 1 10 SUGIYONO Primary Author mixed material Bandung Alfabeta 2005 MULYATININGSIH, Endang Additional Author SUGIYONO Primary Author mixed material Bandung Alfabeta 2007 SUGIYONO Primary Author mixed material 9789798433108 Bandung Alfabeta 2015 SUGIYONO Primary Author mixed material 9789798433108 Bandung Alfabeta 2019 COCHRAN, William G. Additional Author SNEDECOR, George W. Primary Author mixed material Ames The Iowa State University Press 1956 HARDJODIPURO, Siswoyo Primary Author mixed material Jakarta P2LPTK 1987 SUGIYONO Primary Author mixed material 9789798433108 Bandung Alfabeta 2010 SUGIYONO Primary Author mixed material 9789798433108 Bandung Alfabeta 2014 SUGIYONO Primary Author mixed material 9789798433108 Bandung Alfabeta 2016 ENDRAYANTO, Poly Additional Author SUJARWENI, V. Wiratna Primary Author mixed material 9789797568191 Yogyakarta Graha Ilmu 2012