Lobo, J. A., and Y. Bravo Méndez. “Diversity and Foraging Patterns of Bees on Flowers of Cucurbita Pepo (Cucurbitaceae) in Costa Rica”. Revista De Biología Tropical, vol. 69, no. 2, Feb. 2021, pp. 494–506, doi:10.15517/rbt.v69i2.44076.