Purnama, R., S. Andhika, A. F. Nurul, Y. Cesariyanti, and R. D. Agustina. “Graphical Analyzer Test of Misconception of 45o Angle As Optimal Angle in Projectile Motion”. Radiasi : Jurnal Berkala Pendidikan Fisika, Vol. 17, no. 2, Sept. 2024, pp. 114-2, doi:10.37729/radiasi.v17i2.896.