Van Dung, Nguyen, 		Thi Tuyet Nhung, Nguyen, AND 		Vinh Truong, Le.
" Study of the Mixture of Rapeseed Oil and Waste Cooking  Oil used for Insulation in Transformers" <em>VNU Journal of Science: Mathematics - Physics</em> [Online], Volume 39 Number 2 (20 June 2023)