Jongjun, Yuthanarong, Peema Pornprasert, and Sarinya Prateepchanachai. 2024. “Improvement of heat-sealing strength of chitosan-based composite films and product costs analysis in the production process”. Journal of Applied Research on Science and Technology (JARST) 23 (1):251817. https://doi.org/10.60101/jarst.2023.251817.