C. Gaston Perera, The Portuguese Missionary in 16th and 17th Century Ceylon- The Spiritual Conquest v8n1a07
https://www.cepese.pt/portal.%22%22%22%22%22%22/pt/publicacoes/obras/volume-8-number-1-summer-2010/artigos/c-gaston-perera-the-portuguese-missionary-in-16th-and-17th-century-ceylon-the-spiritual-conquest-v8n1a07/view
https://www.cepese.pt/portal.%22%22%22%22%22%22/@@site-logo/CEPESE+home.png
C. Gaston Perera, The Portuguese Missionary in 16th and 17th Century Ceylon- The Spiritual Conquest v8n1a07