Minh, Le Duc, et al. “Study on Change of Color and Some Properties of High Density Polyethylene Organo-Modified Calcium Carbonate Composites Exposed Naturally at Dong Hoi-Quang Binh”. <i>Vietnam Journal of Chemistry</i>, vol. 55, no. 4, Aug. 2017, p. 417, doi:10.15625/2525-2321.2017-00484.