Vocabulary improvement a program for self-instruction

Antzeko izenburuak

• Teaching vocabulary
  nork: Wallace, Michael J.
• Thirty days to a more powerful vocabulary /
  nork: Funk, Wilfred
  Argitaratua: (1972)
• Diccionario Kechwa-castellano, castellano-kechwa
  nork: Guardia Mayorga, César A.
• English Practice for engineers
  nork: Hawkey, M.
• Etimologías: lenguaje culto y científico
  nork: Ortega Pedraza, Esteban