Pranata, H. S., K. Khairinal, S. Suratno, and R. Rosmiati. “Determination of Intent of Purchase of Environmentally Friendly Packaging Products to Students in Jambi City”. PPSDP International Journal of Education, vol. 2, no. 2, Nov. 2023, pp. 224-9, doi:10.59175/pijed.v2i2.124.