Toppo, Neha, and Mojibur Rahman. “Socio-Cultural Sustainability through Study Material: English Language Teaching in India”. Problemy Ekorozwoju / Problems of Sustainable Development 16, no. 2 (July 1, 2021): 245–249. Accessed December 14, 2025. https://ph.pollub.pl/index.php/preko/article/view/5189.