Piaseckienė, Karolina, and Vilma Ranonienė. “The Statistical Analysis of the Data of One School SEN Pupils”. Lietuvos matematikos rinkinys 57, no. B (December 20, 2016): 65–70. Accessed October 27, 2025. https://test.zurnalai.vu.lt/LMR/article/view/17738.