Efektivitas Penerapan Peraturan Menteri Agraria dan Tata Ruang/Kepala Badan Pertanahan Nasional Nomor 1 Tahun 2021 Tentang Sertipikat Elektronik dan Hambatannya: The Effectiveness of the Implementation of the Regulation of Agrarian and Spatial Planning Minister/the Head of National Land Agency Number 1 of 2021 concerning Electronic Certificates and their Impeding Issues (Brawijaya Law Student Journal, 2023)