Saifudin, Saifudin, and Kelvin Afrizal Nugroho. “PAJAK REKLAME: EFEKTIVITASNYA TERHADAP PAD KOTA SEMARANG”. Solusi, vol. 19, no. 4, Dec. 2021, pp. 441-5, https://doi.org/10.26623/slsi.v19i4.3759.