Zubala, Ewelina, Kamila Wichrowska, i Paulina Marchlik. 2022. „Personal and Social Education Carried Out by Polish Primary Schools During the COVID-19 Pandemic – Two Insights into Early Childhood Education”. Przegląd Badań Edukacyjnych 1 (36):21-42. https://doi.org/10.12775/PBE.2022.002.