1.
Mustafoyeva Nigina Shuhrat qizi. Question Forms in English: Yes/No Questions, WH-Questions, Indirect Questions, and Tag Questions in Polite and Conversational Speech. SJII [Internet]. 2025 May 21 [cited 2025 Jul. 5];42:314-8. Available from: https://www.sjii.es/index.php/journal/article/view/568