Thomson, John Gray2012-03-142012-03-1419721972Source: Dissertation Abstracts International, Volume: 72-06, Section: A, page: .http://hdl.handle.net/10393/21829http://dx.doi.org/10.20381/ruor-17735Abstract not available.187 p.Education, Leadership.Education, Administration.Education, Secondary.An empirical study of the relationship between Ontario secondary principals' leadership effectiveness and helping relationship in Ontario secondary teachersThesis