Mulya Putra, D., and J. Jumiati. “Pelaksanaan Pendampingan Online Single Sub-Mission (Oss) Di Dinas Penanaman Modal Dan Pelayanan Terpadu Satu Pintu (Dpm-Ptsp) Provinsi Sumatera Barat”. Ranah Research : Journal of Multidisciplinary Research and Development, Vol. 4, no. 2, Mar. 2022, pp. 164-72, doi:10.38035/rrj.v4i2.453.