Statistik konsep dasar dan aplikasinya
Statistik konsep dasar dan aplikasinya
Teori dan soal-soal statistik
Statistical Abstract of the United States:2002
Vital statictics on American politics 2003-2004
Statistika nonparametrik perbantu Rstudio, SPSS, dan Minitab
Business Statistics: of the Unites States
America Vote 25: A Handbook of Contemporary American Election Statistics
Vital statistics on congress 2001-2002
Statistical analysis in psychology and education