Arif Lubis, Doli Muhammad Ja’far Dalimunthe, Bongsu Hutagalung3, and Andrew Satria Lubis4. 2023. “Strategy Of Omni Channel Marketing & Business Sustainability Of E Commerce Through The Character And Mindset Of Msmes During The Covid-19 Pandemic In Siantar City”. Journal Of Management Analytical and Solution (JoMAS) 3 (2):39-44. https://doi.org/10.32734/jomas.v3i2.12435.