SHTEREVA, Katerina, and Anelia IOTOVA. “Preconventional Reading Skills for 5-6 Years Old Children from Bulgaria and Spain”. Psychological Research (in the Balkans) 23, no. 1 (June 10, 2020). Accessed October 26, 2026. https://journalofpsychology.org/index.php/1/article/view/64.