1. Thai Petroleum Pipeline Co., LTD., Department of Electrical Engineering. 2/8 Moo 11 Lumlukka Rd., Ladsawai, Lumlukka, Pathumthani 12150, Order No. 11028267.
2. Hitoshi Kijima, Kenji Takato, Kazuo Murakwa, “Lightning Protection for Gas-Pipelines installed under the Ground”, International Journal of systems Applications, Engineering & Development, Issue 1, Volume 5, 2011.
3. Konstantinos Kopsidas, Ian Cotton, “Induced Voltages on Long Aerial and Buried Pipelines Due to Transmission Line Transients”, IEEE Transactions on Power Delivery, Vol. 23, No. 3, July 2008.
4. Nor Emyliah binti husin, Simulation Study on Lightning Effects to 132 kV Underground Cable, Universittei Knotogmi Ataysa, 2011.
5. Nattaya Klairuang, Witchuda Sopho, and Pisarn Densungnern, Lightning Performance Improvement of 22 kV Distribution Line, Department of Electrical Engineering, Faculty of Engineering at Sriracha, Kasetsart University Sriracha Campus.