Dhungel, Prem Raj, Sanat Kumar Sharma, and Uday Raj Khanal. “Further Studying the Dirac Field in FLRW Space”. Scientific World 15, no. 15 (June 14, 2022): 1–3. Accessed April 26, 2024. https://www.nepjol.info/index.php/SW/article/view/45632.