Siagian, R. C., Alfaris, L. ., Ahmad, G. N. ., Laeiq, N. ., Muhammad, A. C. ., Nyuswantoro, U. I. . and Nasution, B. . (2023) “Relationship between Solar Flux and Sunspot Activity Using Several Regression Models”, JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS, 15(2), pp. 146–165. doi: 10.25077/jif.15.2.146-165.2023.