COMPARISON OF MANGANESE LAURATE, MANGANESE PALMITATE AND MANGANESE STEARATE ON ACCELERATING DEGRADATION OF HDPE DURING NATURAL WEATHERING. J. Teknol. [Internet]. 2017 Oct. 22 [cited 2024 Dec. 19];79(7). Available from: https://journals.utm.my/jurnalteknologi/article/view/10533