10.00.06- Qiyosiy adabiyotshunoslik, chog’ishtirma tilshunoslik va tarjimashunoslik.

1. Ingliz va o’zbek tillarida murojaat kategoriyasining lingvopragmatik va lingvokulturologik hususiyatlari. (PhD dissertatsiyasi).

2. Kinodiskursda tarjima va pragmatika aspektining chog’ishtirma tadqiqi. (Dsc dissertatsiya)

1. Mamadjanova N.M.  Ingliz tilidagi so’zlashuv nutqida murojaat kategoriyasining ifodalanishi.  Ta’lim, Fan, Innovatsiya. Ma’naviy- marifiy, ilmiy uslubiy jurnal.  – Toshkent, 2017.  №2 – B. 58-62 betlar. (10.00.00; №26).
2. Mamadjanova N.М. The effectiveness of phraseology in  teaching and learning English. Проблемы Педагогики. Москва, 2018. – С 47-48. (Импакт фактор: 1.95, №23).
3. Mamadjanova N.M. Different approaches to the theory of national-cultural aspect of the category of address. International journal Anglisticum. Literature, Linguistics and Interdisciplinary studies. 2019. – P. 113-118. (Impact Factor: 6.88, № 23). 
4. Mamadjanova N.M. O‘zbek tili muloqotida lingvopragmatikaning ahamiyati. Academic Research in Educational Sciences. Scientific journal Impact Factor. 2021. –  789-881 betlar.  (Impact Factor- 5.723, № 23).
5. Mamadjanova N.M. Linguopragmatic and linguocultural features category of address in English and Uzbek. American journal of social and humanitarian research.  2021.  – P. 189-192 (Impact Factor 6.66, №2).