Rojas-Nossa, S. V., Mato, S., Garrido, J., Gil, N., (2021). Ecosistemas 30(2) Asociacion Espanola de Ecologia Terrestre, Alacant, Spain. Spanish language
Millikin, P. W., Case, S. B., Tarwater, C. E., (2021). Journal of Pollination Ecology 29, 189-203. Environquest Ltd, Cambridge, Canada. English language
Santos, C. F. dos, Acosta, A. L., Halinski, R., Souza-Santos, P. D., Borges, R. C., Gianinni, T. C., Blochtein, B., (2021). Journal of Applied Ecology 59(4), 965-981. Wiley, Oxford, UK. English language
Ferreira, E. A., Boff, S., Verza, S. S., Mussury, R. M., (2021). Biology 10(2) MDPI AG, Basel, Switzerland. English language
Feás, X., (2021). Biology 10(2) MDPI AG, Basel, Switzerland. English language
Loope, K. J., Rankin, E. E. W., (2021). Scientific Reports 11(5) Nature Publishing Group, London, UK. English language
Abou-Shaara, H., Alashaal, S. A., Hosni, E. M., Nasser, M. G., Ansari, M. J., Alharbi, S. A., (2021). Insects 12(4) MDPI AG, Basel, Switzerland. English language
Tihelka, E., Hafernik, J., Brown, B. V., Quock, C., Zink, A. G., Croppi, S., Cai ChenYang, Zhu ChaoDong, (2021). Apidologie 52(6), 1128-1140. Springer-Verlag, Paris, France. English language
Suhri, A. G. M. I., Soesilohadi, R. H., Agus, A., Kahono, S., (2021). Biodiversitas: Journal of Biological Diversity 22(12), 5624-5632. Society for Indonesian Biodiversity, Surakarta, Indonesia. English language
Otto, C. R. V., Bailey, L. L., Smart, A. H., (2021). Ecology and Evolution 11(21), 14888-14904. Wiley, Oxford, UK. English language