Yorucu, Vedat, et al. “Pricing of Sugar Beet Based Biofuels in Turkish Energy Market”. Revista de Cercetare Si Interventie Sociala, vol. 60, Mar. 2018, pp. 109-21, https://www.rcis.ro/journal/article/view/2415-pricing-of-sugar-beet-based-biofuels-in-turkish-energy.