General Relativistic Behaviour of a Test Particle and Doppler’s Effect in a Model: Exploring the General Relativistic Behavior of Test Particles and Doppler’s Effect in a Model. JASRAE [Internet]. 2018 Apr. 1 [cited 2025 Jun. 27];15(1):1200-1. Available from: https://ignited.in/index.php/jasrae/article/view/7793