Warmi, Y.; Zulkarnaini, .-.; Rajab, A.; Yuanisa, C.; Elyas, R. O.; Putra, A. M. N.; Anthony, Z. An Optimal Design of Grounding System for Tower Footings in Payakumbuh 150 KV Transmission Line of Koto Panjang. Int. J. Adv. Sci. Eng. Inf. Technol. 2023, 13, 844-850.