by Irimu, Grace, Nduati, R. W, Wafula, E, Lenja, J
Published in African health sciences (01.06.2008)

by Toro Martinez, F. del, Martin Fagundo, D, Saucedo Castillo, O, Orquin Lena, J, Gonzalez Martin, S. (Las Villas Univ. Central, Villa Clara (Cuba). Facultad de Ciencias Agricolas)
Published in Centro agrícola (1988)

by Mederos Olalde, E, Orquin Lena, J, Hernandez, A. (Las Villas Univ. Central, Villa Clara (Cuba). Facultad de Ciencias Agricolas)
Published in Centro Agricola (Cuba) (1986)

by Toro Martinez, F. del, Saucedo Castillo, O.M, Martin Fagundo, D, Orquin Lena, J, Gonzalez Martin, S. (Universidad Central de Las Villas, Villa Clara (Cuba). Facultad de Ciencias Agricolas)
Published in Ciencia y Tecnica en la Agricultura Canera (Cuba) (1985)

by Mederos Olalde, E, Orquin Lena, J. (Las Villas, Univ. Central, Villa Clara (Cuba). Facultad de Ciencias Agricolas), Milian Sanchez, H, Rodriguez Perez, M. (Ministerio de la Agricultura, Villa Clara (Cuba))
Published in Centro Agricola (Cuba) (1984)