“STUDY OF SURVEY METHODS IN MARKETING RESEARCH”, Eme. Jou. Edu. Dis.Lif. Lea., vol. 4, no. 11, pp. 1–4, Nov. 2023, Accessed: Nov. 14, 2025. [Online]. Available: https://ejedl.academiascience.org/index.php/ejedl/article/view/670