Sr. M. Opiela, Sr. M. Kaput, Sr. E. Piekarz, Sr. A. Kornobis, Sr. Z. Zymróz, Sr. S. Chudzik, Preschool education programme based on the pedagogical conception by Blessed Edmund Bojanowski, Lublin 2020 - Zbigniew Szczepan Formella (The Francis de Sales Scientific Society (TNFS.PL), 2020)