“Production of Biodiesel from Waste Vegetable Oil (WVO) Using Nano CaO-NCC Catalyst: Modelling and Optimization Using Central Composite Design (CCD) in Response Surface Methodology (RSM)”. CONECT. International Scientific Conference of Environmental and Climate Technologies (May 10, 2023): 105. Accessed November 5, 2024. https://ect-journals.rtu.lv/conect/article/view/CONECT.2023.080.