Approaches to Learning and Teaching Business and Economics A Toolkit for International Teachers Gillespie, Andrew Heftet / 2017 / Engelsk
Validation of a Mountain Pine Beetle Outbreak Model for Lodgepole Pine in Central Oregon (Classic Reprint) Gillespie, Andrew J. R. Heftet / 2018 / Engelsk
Validation of a Mountain Pine Beetle Outbreak Model for Lodgepole Pine in Central Oregon (Classic Reprint) Gillespie, Andrew J. R. Innbundet / 2018 / Engelsk
Canllawiau Adolygu Safon UG ac Uwch Economeg trwy Ddiagramau Gillespie, Andrew Heftet / 2012 / Walisisk
Cambridge International AS & A Level Business Second Edition Surridge Malcolm Heftet / 2021 / Engelsk
