Nuestro medio
By: [texto, Alicia Castillo, Oscar Muńoz ; ilustración, Luis Vargas].
Contributors: Muńoz, Oscar.; Vargas, Luis, ill.
Series: Educación ambiental; Serie Educación ambiental (Mexico City, Mexico)
Publisher: CONAFE
Published: 1986
Place of publication: Mexico, D.F
Language: spa
Number of pages: 69
Subjects: Ecology.; Ecology -- Juvenile literature.; Ecology -- Mexico -- Juvenile literature.