In his book Why Are the Catholics Leaving? José Luis Pérez Guadalupe wrote about the activities of Evangelicals, Adventists, and others and observed that “they do not go from house to house. ”
وبالحديث عن نشاطات الانجيليين والمجيئيين وغيرهم ،‏ ذكر هوسيه لويس پيريس ڠوادالوپه في مؤلفه لماذا يهجر الكاثوليك كنيستهم ؟‏ ‏