PAVANKUMAR H S, SHARANAPPA N, SOUMYA SHETTAR, and KANDAGAL S. S,. 2021. “OPTIMAL DESIGN OF COST EFFECTIVE SOLAR BASED POWER PACK INSTRUMENTATION FOR CIRCUIT LABORATORY APPLICATIONS”. International Journal of Innovations in Engineering Research and Technology, March, 1-7. https://repo.ijiert.org/index.php/ijiert/article/view/1236.