El niño en su unidad y diversidad
By: Pedro J. Alvarez ; [portada, Angel Arco].
Series: Colección científica ; 54-55
Publisher: Monte Avila Editores
Published: 1973
Place of publication: Caracas
Language: spa
Subjects: Children -- Health and hygiene.; Child development.; Children -- Health and hygiene -- Venezuela.; Pediatrics -- Venezuela -- History.; Child welfare -- Venezuela.