“Diversity of Insect Pollinators With Reference to Their Impact on Yield Production of Canola (Brassica Napus L.) in Ismailia, Egypt”. Pesticides and Phytomedicine Pesticidi I Fitomedicina, vol. 30, no. 3, Oct. 2015, https://doi.org/10.2298/pif.v30i3.8278.