Vulāne, Anna, and Elita Stikute. “LATGALIAN COMPONENT IN THE LEARNING OF LATVIAN LANGUAGE AND LITERATURE: FROM PRESCHOOL TO SECONDARY SCHOOL (1990–2015)”. Via Latgalica, no. 8, Mar. 2017, pp. 88-101, https://doi.org/10.17770/latg2016.8.2229.