Ardiati, Riza Lupi. “Cultural Efforts to Maintain Environmental Sustainability: A Study of the Pragmatics of Politeness on Ethical Planks in Rural Sunda”. Research Horizon 2, no. 4 (August 29, 2022): 455–464. Accessed June 4, 2026. http://www.journal.lifescifi.com/index.php/RH/article/view/62.