Safrida, H. A. (2022) “The Influence of Tax Understanding, Taxpayer Awareness and the E-Samsat System in the Covid-19 Era on the Implementation of Motor Vehicle Tax Payments Instructions in Sidoarjo: Pengaruh Pemahaman Pajak, Kesadaran Wajib Pajak dan Sistem E-Samsat di Era Covid-19 Terhadap Implementasi Petunjuk Setoran Pajak Kendaraan Bermotor di Sidoarjo”, Indonesian Journal of Law and Economics Review, 16, p. 10.21070/ijler.v16i0.794. doi: 10.21070/ijler.v16i0.794.