Visible light communication using wavelength division multiplexing for smart spaces. - Talha Ahmed Khan; Muhammad Tahir; Ahmad Usman (CCNC, 2012)

COVID-19: The Black Swan for Green Supply Chain Management in Pakistan. - Mian Sajid Nazir; Ishfaq Ahmed; Sameera Waris; Ahmad Usman; Ahmad Nawaz (Int. J. Inf. Syst. Supply Chain Manag., 2022)

Hardware-in-Loop-enabled Controller Design for Isolated Boost Converter using Ziegler-Nichols Method for Electric Vehicle Applications. - Arwa Hasnain Bharmal; Manaal Khan; Agha Dilawar; Ahsan Ali; Saad Umer Baig; Ishtiyaq Ahmed Makda; Ahmad Usman; Haleema Qamar (IECON, 2023)