MAHESH OBANNAVAR; JAYARAM M V. Adoption of Encoder with PLC based System for Stock Level Indication and Control of Blast Furnace. International Journal of Computer Engineering in Research Trends, [S. l.], v. 2, n. 5, p. 316–318, 2015. Disponível em: https://www.ijcert.org/index.php/ijcert/article/view/171. Acesso em: 11 aug. 2026.