Ismail, I.I. et al. 2024. Optimizing Nozzle Expansion Ratios with Energetic Additives for Enhanced Hybrid Rocket Motor Efficiency. Semarak International Journal of Mechanical Precision Engineering. 1, 1 (Dec. 2024), 20–32. DOI:https://doi.org/10.37934/sijmpe.1.1.2032a.