PakCat catalogue record The flexible elementary school: practical guidelines for developing a nongraded program By Murray, Evelyn M. Bibliographic details ISBN0133222713 PublisherParker Pub. Co. Publication placeWest Nyack, N.Y. Publication year1971 LanguageEnglish Physical description263 p. Additional authorsWilhour, Jane R. SubjectsNongraded schools., Teaching teams., Group work in education.