@BOOK {RUSSELL:1993, title = {A review of research on resource management systems of Cameroon's forest zone: foundations and new horizons: RCMP Research monograph, No. 14}, author = {Russell, D. }, series = {RCMP Research monograph, No. 14}, year = {1993}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {32p.}, }