Supervision today

Antzeko izenburuak

• Supervision /
  nork: Ray, Charles M.
  Argitaratua: (1983)
• Supervision /
  nork: Barr, As
  Argitaratua: (1947)
• Supervision /
  nork: Williamson, Margaret
  Argitaratua: (1950)
• Supervise
  nork: Bass, Bernard M.
  Argitaratua: (1968)
• Supervision /
  nork: Bartky, John A.
  Argitaratua: (1953)