SUHANI, M.; ABBAS, W.; MUSTAFA FAROOQ, G. Iqbal’s Letters and Philosophy of Ethics, Research and Critical Review. sourcecoder, Gujranwala, Pakistan, v. 3, n. 2, p. 1–12, 2022. Disponível em: https://ojs.sourcecoder.tk/journal/article/view/15. Acesso em: 6 dec. 2025.