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2. UNCTAD, New innovation approaches to support the implementation of the sustainable development goals, The United Nations Conference on Trade and Development, 2017.
3. Department of Energy, 2019 power statistics. Available from: http://www.doe.gov.ph/sites/default/files/pdf/energy_statistics/2019_power_statistic_01_summary.pdf, 2020.
4. Biodiesel—A Realistic Fuel Alternative for Diesel Engines;Demirbas,2008
5. Bioethanol