Ali, A.A., AL-Abady, F.M. and Ahmed, S.I. 2024. Calculating the Theoretical Octane Number for a Number of Petroleum Derivatives Using Quantum Mechanical Methods AM1 and PM3. South Eastern European Journal of Public Health. (Sep. 2024), 91–104. DOI:https://doi.org/10.70135/seejph.vi.962.