PILLA, Justin. Quantifying the Spiritual: How to Observe and Evaluate Spirituality in a Student. Holistic Education Review, [S. l.], v. 3, n. 2, 2023. Disponível em: https://her.journals.publicknowledgeproject.org/index.php/her/article/view/2957. Acesso em: 29 apr. 2026.