1. Aguirre AA Sandoval AL Ramirez D Jimenz G Soriano D Rodriguez S Mondragon R Bernal M Rendon E Zepeda H 2004 Mortality of wintering monarch butterflies: Are emerging pathogens the cause of declining populations?
2. Dividends of community empowerment at Arabuko- Sokoke Forest;Ayiemba;Nature E Afr,2009