Classification

Detalles Bibliográficos
Autor principal:	Elrod, J. McRee
Formato:	Libro
Lenguaje:	English
Publicado:	Metuchen, N.J. Scarecrow Press 1980
Edición:	3rd ed. for use with LC or Dewey.
Colección:	His modern library practices series no. 3
Materias:	Classification, Dewey decimal > Programmed instruction. Classification, Library of Congress > Programmed instruction.