'Project stage-by-stage procedure' (Energy Engineering, 2018), 'High Voltage Power Network Construction', Chap. 24, pp. 669-679, DOI: 10.1049/PBPO110E_ch24 IET Digital Library, https://digital-library.theiet.org/;jsessionid=1d8dgt95cq6qc.x-iet-live-01content/books/10.1049/pbpo110e_ch24