Mustafaqulova Dildora Ismatullayevna,Ilyosov Umidjon Ilyos o'g'li. “TEACHING METHODS AND PROBLEMS OF THE SUBJECT ‘BIOLOGY’”. International Multidisciplinary Journal for Research & Development, vol. 10, no. 09, Oct. 2023, pp. 68-70, https://www.ijmrd.in/index.php/imjrd/article/view/62.