Karki, R., Dixit, S., Chaudhari, S. K., Dhamala, M. K., Bhatta, S., & Khadka, D. (2022). Richness and Impact of Invasive Alien Species Plant in Trees of Shivapuri Nagarjun National Park, Central Nepal. Journal of Environment Sciences, 8(1), 81–93. https://doi.org/10.3126/jes.v8i1.53654