Seasonal variation and characterisation of pollen collected by honeybee Apis mellifera scutellata Lepeletier in southwest Ethiopia. - Tulu, Dereje; Temteme, Shiferaw; Aleme, Melkam; Bogale, Ararsa; Bezabeh, Amsalu; Tefera, Tadele; Mendesil, Esayas (Grana, 2024)