BALOCH, T. H.; SADIQ, M.; RAUF, A. Research Problem and Selection of Topic. sourcecoder, Gujranwala, Pakistan, v. 5, n. 3, p. 727–737, 2024. DOI: 10.47205/makhz.2024(5-III)urdu-30. Disponível em: https://www.ojs.sourcecoder.tk/journal/article/view/306. Acesso em: 6 dec. 2025.