Meneses, H. M., Koffler, S., Freitas, B. M., Imperatriz-Fonseca, V. L., & Jaffé, R. (2014). Assessing Sperm Quality in Stingless Bees. Sociobiology, 61(4), 517–522. https://doi.org/10.13102/sociobiology.v61i4.517-522