Ahmed Thamer Abd Ali, Ufuk Öztürk, and A. A. Shihab. “Nieuwenhuistensor of Almost Complex Structure”. Eurasian Journal of Physics,Chemistry and Mathematics 7 (June 22, 2022): 101–111. Accessed April 8, 2025. https://geniusjournals.org/index.php/ejpcm/article/view/1765.