Nasrullah Hidayat, Adel Syesaria Agustin Daole, Jemelly Prisya Simanjuntak, Ledi Marina Purba, and Agustin Olivia Simamora, “Analisis Kelayakan Investasi Usaha Kost JR Kost di Kecamatan Medan Tembung, Kota Medan: Penelitian”, JERKIN, vol. 5, no. 1, pp. 4696–4710, Oct. 2026.