Knapek, Magdalena. “Experiencing the Diagnosis of Delayed Speech Development by Parents of Children With Language Disorders of Unknown Etiology. Phenomenological Study”. Logopaedica Lodziensia, no. 9 (December 17, 2024): 71–86. Accessed December 8, 2025. https://czasopisma.uni.lodz.pl/logopedica/article/view/18757.