JAIN, N. I..
 The early universe scenario in FRW and K-K models: A study.
<strong>International Journal of Mathematics and Physics</strong>, [S.l.], v. 13, n. 2, p. 4-11, jan. 2023.
ISSN 2409-5508.
Available at: &lt;<a href="https://ijmph.kaznu.kz/index.php/kaznu/article/view/475" target="_new">https://ijmph.kaznu.kz/index.php/kaznu/article/view/475</a>&gt;. Date accessed: 21 mar. 2023.
doi: <a href="https://doi.org/10.26577/ijmph.2022.v13.i2.01">https://doi.org/10.26577/ijmph.2022.v13.i2.01</a>.