http://btgcp.gov.vn/Plus.aspx/vi/News/38/0/263/0/13000/Nhung_phong_tuc_don_Phuc_sinh_thu_vi_tren_khap_the_gioi
https://zen.yandex.ru/media/id/5cbc658420749800b5aecc9f/10-samyh-misticheskih-koshek-v-kotoryh-veriat-liudi-5cc089e63d89f500b3cebfd1
https://www.llewellyn.com/journal/print.php?id=2650
