Third handbook of psychological and social instruments

Eitemau Tebyg

• Second handbook of psychological and social instruments
  gan: Pestonjee, D M
  Cyhoeddwyd: (1988)
• Third hand book of psychological and social instruments
  gan: Pestonjee, P M
• Second handbook of psychological and social instruments
  gan: Pestonjee, D M
• Third handbook of psycholoical and social instruments/
  gan: Pestonjee, D.M
  Cyhoeddwyd: (1997)
• Third handbook of psychological and social instruments
  gan: Pestonjee, D M