Ntieyong Akpan, Grace E.2009-03-202009-03-2019881988Source: Masters Abstracts International, Volume: 40-07, page: .9780315468306http://hdl.handle.net/10393/5143http://dx.doi.org/10.20381/ruor-14214Education, General.The living tree a study of constitutional developments in Canada and Nigeria with particular reference to the development of executive powers under the parliamentary system in Canada and the different systems that have operated in Nigeria.Thesis