PROF. SANTOSH G. KASHID, MR.BIRA BHIVATAMBE, MR.PRAVIN PRAKASH INGAWALE, MR.ASHISH DILIP HALADE, and MR.SHASHIRAJ RAMCHANDRA NARGIDE, “PLC BASED TRANSFORMER FAULT DETECTION AND PROTECTION”, JournalNX, pp. 20–23, Mar. 2021.