Basic concepts in concrete mixtures; a manual of classroom and laboratory exercises

Mode of access: Internet.

Inventory of teaching innovations directed toward improving classroom learning atmospheres

"Supported by the National Institute for Mental Health (Grant OM-376) and the United States Office of Education (cooperative research project no. 1167)"

The Classroom teacher at work in American schools /

Includes bibliographical references and an index.

The folk dance book, for elementary schools, classroom, playground, and gymnasium,

Mode of access: Internet.

Time in the classroom.

Mode of access: Internet.

A practical course in concrete; a text book for classroom and laboratory, including demonstrations and problems.

Mode of access: Internet.