[3] Rehan M., Nizami A.S., Shahzad K., Ouda O.K., Ismail IM., Almeelbi T., Iqbal T., Demirbas A.,
Pyrolytic Liquid Fuel: a Source of Renewable Electricity Generation in Makkah. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. 1; 38(17): 2598-603 (2016)
[30] Liu Z., Zhang F., Yan S., Tian L., Wang H., Liu H., Wang H., Hu J.,
Effects of Temperature and Low-Concentration Oxygen on Pine Wood Sawdust Briquettes Pyrolysis: Gas Yields and Biochar Briquettes Physical Properties,
Fuel Processing Technology., 177: 228-36 (2018)