“Pengaruh Strategi Pemasaran Terhadap Keputusan Pembelian Tiket Bus PT. Sipirok Nauli Express Kantor Medan”. Management Studies and Entrepreneurship Journal (MSEJ), vol. 4, no. 1, Jan. 2023, pp. 455-6, https://doi.org/10.37385/msej.v4i1.1451.