Fengshuo Zhang and Zhouhong Li, Four Positive Almost Periodic Solutions to an Impulsive Delayed Plankton Allelopathy System with Multiple Exploit (or Harvesting) Terms. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. April 2016, vol. 119(11). 597 - 604 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10007147.