Karim GARMSIRI. Study on Vacuum Density, Repulsive Force between Celestial Bodies and the Cause of Gravity. Research Trends and Challenges in Physical Science Vol. 2, [S. l.], p. 122–136, 2021. DOI: 10.9734/bpi/rtcps/v2/4643F. Disponível em: https://stm.bookpi.org/RTCPS-V2/article/view/4496. Acesso em: 4 jun. 2026.