ROCŁAWSKA-DANILUK, Małgorzata, RATAJ, Maciej, JANCZUKOWICZ, Karolina and GIERUSZ, Anna. Improving Vocabulary Knowledge in Primary Education: An Analysis of an Intervention Programme for Polish-Speaking Children Aged 7–9. Przegląd Badań Edukacyjnych (Educational Studies Review). Online. 31 July 2022. Vol. 1, no. 36, pp. 43-65. [Accessed 20 July 2024]. DOI 10.12775/PBE.2022.003.