ALBINA, Albert C. The Law of Attraction: Positive Thinking and Level of Gratitude towards Happiness. CMU Journal of Science, [S. l.], v. 22, n. 1, p. 15–22, 2019. Disponível em: https://js.cmu.edu.ph/CMUJS/article/view/36.. Acesso em: 13 jan. 2025.