bibentry(
  bibtype = "Manual",
  title = "{tppcm}: Step Discriminations for the Two-Parameter Partial Credit Model on Top of {TAM}",
  author = person("Jie-Wen", "Tsai"),
  year = "2026",
  note = paste("R package version", meta$Version),
  textVersion = paste0("Tsai, J.-W. (2026). tppcm: Step discriminations for the two-parameter ",
                       "partial credit model on top of TAM. R package version ",
                       meta$Version, ".")
)

bibentry(
  bibtype = "PhdThesis",
  title = "A Two-Parameter Partial Credit Model",
  author = person("Min-Ning", "Yu"),
  school = "University of Illinois at Urbana-Champaign",
  year = "1991",
  textVersion = paste("Yu, M.-N. (1991). A two-parameter partial credit model",
                      "(Doctoral dissertation). University of Illinois at Urbana-Champaign.")
)
