COVID-19: A systematic review of prediction and classification techniques. - Om Ramakisan Varma; Mala Kalra; Sheeraz Kirmani (Int. J. Imaging Syst. Technol., 2023)

Social Distancing Induced Coronavirus Optimization Algorithm (COVO): Application to Multimodal Function Optimization and Noise Removal. - Om Ramakisan Varma; Mala Kalra (CoRR, 2024)

Improved Deep Convolutional Neural Network with Transfer Learning Based COVID-19 Infection Detection Using CT image. - Om Ramakisan Varma; Mala Kalra (New Gener. Comput., 2025)