Aleksandrovna Zavalko, Natalia, Olga Evgenievna Matyunina, Svetlana Anatolyevna Izmaylova, Veronika Olegovna Kozhina, and Konstantin Anatolevich Lebedev. “Key Components of the Financial Infrastructure of the Digital Economy Within the Fuel and Energy Complex”. International Journal of Engineering & Technology 7, no. 4.38 (December 3, 2018): 672–675. Accessed May 3, 2024. https://sciencepubco.com/index.php/ijet/article/view/24751.