1. Asuga, G.N.
and
Eacott, S.
(2012), “The learning needs of secondary school principals: an investigation in Nakuru district, Kenya”,
International Journal of Educational Administration and Policy Studies
, Vol. 4 No. 5,pp. 133-140.
2. Avolio, B.J.
,
Avey, J.B.
and
Quisenberry, D.
(2010), “Estimating return on leadership development investment”,
The Leadership Quarterly
, Vol. 21 No. 4, pp. 633-644.
3. Cascio, W.F.
and
Bourdeau, J.W.
(2008),
Investing in people : Financial Impact of Human Resource Initiatives
, FT Press, New York, NY.
4. Cohen, J.
(1988),
Statistical Power Analysis for the Behavioral Sciences
2nd ed., Lawrence Erlbaum Associates, Hillsdale, NJ.
5. Eacott, S.
(2013), “The return on school leadership preparation and development courses: a study on Australian university-based courses”,
International Journal of Educational Management
, Vol. 27 No. 7, pp. 686-699.