@BOOK {GOCKOWSKI:1999, title = {An analysis of horticultural production and marketing systems in the forest margins ecoregional benchmark of southern Cameroon: RCMP Research monograph, No. 27}, author = {Gockowski, J. and Ndoumb{\'e}, M. }, series = {RCMP Research monograph, No. 27}, year = {1999}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, }