Sumastuti, Efriyani, Dhea Rizky Amelia, Ika Indriasari, and Rita Meiriyanti. 2023. “Digital-Based Self-Employed Tendencies in Maintaining Income Levels in the Red Zone of COVID-19”. Quantitative Economics and Management Studies 4 (1):107-17. https://doi.org/10.35877/454RI.qems1408.