"The Four Pillars of Yoga: A Comprehensive Review of Asana, Pranayama, Meditation, and Surya Namaskar". International Journal of Food and Nutritional Sciences, [S. l.], v. 12, n. 1, p. 2382–2395, 2023. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/1924. Acesso em: 24 sep. 2026.