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Recurso libre 
1.
A Conceptual Framework for Construction of Teacher-made Computer Educational Software Package for Communicating Chemical Concepts to Secondary School Students
Okorie, Eugene U. - Akubuilo, Francis
Formato: info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:
Fecha: 2013-07-31
Recurso: Chemestry and Materials Research

Recurso libre 
2.
Issues and Remedies of Sewage Treatment and Disposal in Islamabad, Pakistan
Manarvi, Irfan Anjum - Ayub, Muhammad
Formato: info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:
Fecha: 2013-08-29
Recurso: Chemestry and Materials Research