24. Abbasi, K. H., Jamal, M., Ahmad, S., Ghramh, H. A., Khanum, S., Khan, K. A., ... & Zulfiqar, B. (2021). Standardization of managed honey bee (Apis mellifera) hives for pollination of Sunflower (Helianthus annuus) crop. Journal of King Saud University-Science, 33(8): 101608. https://doi.org/10.1016/j.jksus.2021.101608
