00726cam0a2200229i004500 7103 20260715160907.0 9781310812 tr98606275 eng Working with farmers in Cameroon and Rwanda : New strategies to improve Staple Food Crops / Text L. Simarski [i in. ]. Ibadan : International Institute of Tropical Agriculture, 1992. III, 35, [1] s. : il. kolor. , rys. , tab. ; 24 cm. rolnictwo tropikalne 44243 Kamerun 1083 Rwanda 47864 uprawa roślin 50 rośliny okopowe 481 Simarski, L. 47865 978-131-081-2 7103 5924 5924