Biopolymers, naturally occurring renewable and abundant polymers, are classified into three groups based on their origin. Some biopolymers, such as starch, cellulose, chitosan, and alginates, can be extracted from biomass through various treatments (chemical, mechanical, or biological). Similarly, biopo...
as identified in one of the categories of mixed-method approaches. The quantitative aspects of the research project were conducted using a matching-only pre-test–post-test control-group design. This was conducted because the study was carried out on secondary school students in Lahore, Pakistan,...