Md. A. Islam, Md. N. Bin Alamgir, S. I. Chowdhury, S. M. B. Billah “Lead-free organic inorganic halide perovskite solar cell with over 30% efficiency” Journal of Ovonic Research 18 (3),395-409, 2022.(Web of Science-SCIE ,Scopus indexed-Q3)

S. M. B. Billah and S. Qasim, "Development of MATLAB simulink model of Invelox to Analyze The Impact of Inlet Height On speed ratio," 2019 IEEE International Conference on Energy and Power Engineering (ICEPE), Dhaka, Bangladesh, 2019, pp. 1-5, doi: 10.1109/CEPE.2019.8726795.

S. M. B. Billah, M. Jakaria and P. Nath, "A Novel Regenerative Braking System of BLDC Motor for Lightweight Electric Vehicles: An Analysis of Braking Characteristics," 2017 IEEE 2nd International Conference on Electrical & Electronic Engineering (ICEEE), Rajshahi, Bangladesh, 2017, pp. 1-4, doi: 10.1109/CEEE.2017.8412907.

S. M. BaqueBillah, K. M. Kabir, M. O. Islam, S. Barua, M. S. Mahmud and M. S. Hossain, “Hydrogen energy storage based green power plant in seashore of Bangladesh: Design and optimal cost analysis”," 2017 IEEE International Conference on Innovations in Green Energy and Healthcare Technologies (IGEHT), Coimbatore, India, 2017, pp. 1-5. doi: 10.1109/IGEHT.2017.8094042

M. S. Hossain, S. M. B. Billah, S. Barua, M. S. Mahmud and T. Khadem, “ Life cycle cost analysis of solar-LED alternatives to fuel-based fishing net indicator ” 2017 IEEE International Conference on Innovations in Green Energy and Healthcare Technologies (IGEHT), Coimbatore, India, 2017, pp. 1-4.doi: 10.1109/IGEHT.2017.8093981

T. Khadem, S. M. B. Billah, S. Barua and M. S. Hossain, "HOMER based hydrogen fuel cell system design for irrigation in Bangladesh," 2017 IEEE 4th International Conference on Advances in Electrical Engineering (ICAEE), Dhaka, Bangladesh, 2017, pp. 445-449, doi: 10.1109/ICAEE.2017.8255397.

S. M. B. Billah and K. K. Islam, "Regenerative braking characteristics of PMDC motor by applying different armature voltage," 2016 IEEE 2nd International Conference on Electrical, Computer & Telecommunication Engineering (ICECTE), Rajshahi, Bangladesh, 2016, pp. 1-4, doi: 10.1109/ICECTE.2016.7879621.

S. M. B. Billah, K. K. Islam and S. Hossain, "Experimental verification of regenerative braking characteristics by applying different motor armature voltage," 2016 IEEE International Conference on Innovations in Science, Engineering and Technology (ICISET), Dhaka, Bangladesh, 2016, pp. 1-4, doi: 10.1109/ICISET.2016.7856525.

A. Mohammad, S. M. B. Billah, S. K. Rahman, O. Ahmed, M. A. Islam and S. A. M. S. U. Amin, "Generation of switching pulses for operating a double purpose converter using microcontroller," 2015 IEEE International Conference on Advances in Electrical Engineering (ICAEE), Dhaka, Bangladesh, 2015, pp. 234-237, doi: 10.1109/ICAEE.2015.7506839.

A. Mohammad and S. M. B. Billah, "Analysis of speed control of series DC motor using diverter and observation of speed saturation point," 2015 IEEE International Conference on Electrical Engineering and Information Communication Technology (ICEEICT), Savar, Bangladesh, 2015, pp. 1-4, doi: 10.1109/ICEEICT.2015.7307350.

A. Moahmmad, M. S. Rahaman, R. Hoque, S. M. Baque Billah and R. R. Hasan, "Analysis of a common circuit structure for operating four power electronic converter circuits," 2015 IEEE International Conference on Electrical, Computer and Communication Technologies (ICECCT), Coimbatore, India, 2015, pp. 1-5, doi: 10.1109/ICECCT.2015.7226010.

SujoyBarua and S.M. BaqueBillah,“Promoting Sustainable Development: SolarEnergy for the Urban” International Conference on Mechanical Engineering and Renewable Energy 2015 (ICMERE2015) 26–29 November, 2015, Chittagong, Bangladesh

S. Chakraborty, W. Hasan and S.M. B. Billah, "Design and analysis of a transformer less single-phase grid-tie photovoltaic inverter using boost converter with Immittanceconversion topology," 2014 IEEE International Conference on Electrical Engineering and Information & CommunicationTechnology (ICEEICT), , Dhaka, 2014, pp. 1-6. doi:10.1109/ICEEICT.2014.6919107.