P. Pradhan, D. D. Nigam, and D. C. Tewari, “BARRIER FACED BY SMES TO ADOPT DIGITAL MARKETING: SPECIAL REFERENCE TO UTTAR PRADESH”, Psychosocial rehabilitation, vol. 24, no. 6, pp. 9526–9535, Jun. 2020, doi: 10.61841/01xwj135.