commonwealth examples The Commonwealth of learning & European Research and Training Centre on Centre on Environmental Education creator Filho, Walter Leal Murphy, Zena Dykes, Clare text Vancouver The commonwealth of learning & European Research and Training Centre on Environmental Education 1996 monographic vii,, 134p. : ill. Bibliography .128-132 edited by Walter Leal Filho, Clare Dykes &Zena Murphy Natural History (General) Biology (General) QH 75 R74 1996 1851431438 UOEL 000 20170719154330.0