Shaukat, Syed Shahid, Moazzam Ali Khan, Sahar Zaidi, Muhammad Faheem Siddiqui, Nasarullah Khan, and Hina Zafar. “Reproductive Effort of Some Annual and Perennial Plant Species: Impact of Successional Sequence, Habitat Conditions and Plant Size: Impact of Successional Sequence on Plants”. Biological Sciences - PJSIR 56, no. 3 (December 30, 2013): 117–128. Accessed May 5, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/163.