1. Tougma, J.L.W., Kam, S.Z. and Koulidiati, J. (2021) Quantum Information Reaching the Black Holes. International Journal of Science and Research (IJSR), 10, 1181-1191. https://www.ijsr.net/getabstract.php?paperid=MR211224033254
2. Tougma, J.L.W., Kam, S.Z. and Koulidiati, J. (2021) The Quantum Relativity in Extra-Dimensions. International Journal of Science and Research (IJSR), 10, 1177-1180. https://www.ijsr.net/getabstract.php?paperid=MR211224032744
3. Metrics of TOUGMA
4. Tougma, J.L.W. (2023) Deriving the Physical Phenomena of Real Tougma’s Solution. Journal of Ultra Scientist of Physical Sciences, 35, 1-11. https://www.ultrascientist.org/paper/1575/
5. Schwarzschild, K. (1916) über das Gravitationsfeld eines Massenpunktes nach der EiNSTEiNsehen Theorie. 189-196. http://articles.adsabs.harvard.edu/cgi-bin/get_file?pdfs/SPAW./1916/1916SPAW.......189S.pdf