“Study of Geo-Magnetic Activity Indices (Ap) and (Kp) During 1996-2024”. Bharatiya Vaigyanik Evam Audyogik Anusandhan Patrika (BVAAP), vol. 33, no. 2, Jan. 2026, pp. 109-17, https://doi.org/10.56042/bvaap.v33i2.17564.