A. Nugraha Rusli, A. Roza, and A. Mulya Rusli, “Analisis Sektor Basis dan Sektor Non Basis dalam Upaya Peningkatan Sarana dan Prasarana Perkotaan di Kota Padang: Analysis of Basic and Non-Basic Sectors as Efforts to Improve the Urban Facilities and Infrastructure in Padang”, SAINTIS, vol. 21, no. 01, pp. 45–52, Apr. 2021.