aggregate stone production in zambia,
Drivers of Dry Common Beans Trade in Lusaka, Zambia: A Trader's .
Apr 5, 2016 . fibers (Hichaambwa et al., 2009; Stone et al., 2011). . This production is under an estimated area of 71,544 hectares (CSO, 2011), which is an improvement ... for the aggregate sample and Soweto market, respectively.