[1] A Large Explanatory Dictionary of the Ukrainian Language. (n.d.). In National Library of Ukraine named after V. I. Vernadskyi. http://irbis-nbuv.gov.ua/ulib/item/UKR0000989 (in Ukr.)

[2] Bukharieva, O. (2012). An Extracurricular activity as an engine of moral development of a student's personality. World Literature in Modern School, (11 12), 27–29. (in Ukr.)

[3] Derkach, M. (2018, August 3). Development of Creative Thinking of Younger Schoolchildren. Vseosvita. http://surl.li/gdkyi (in Ukr.)

[4] Humeniuk, T. B. (n.d.). Modeling in pedagogical activity. Scientific Journal of the M. P. Drahomanov NPU. Series 13: Problems of Labor and Professional Training, 66–72. http://surl.li/gdkyl (in Ukr.)

[5] Khymynets, V. V., & Kiryk, M. Iu. (2012). Innovations in Primary School. (in Ukr.)

[6] Klymenko, V. V. (2002). Psychological support of the student's creativity. Psychologist, (46–47), 17 23. (in Ukr.)

[7] Pavlenko, V. V. (2015). Development of creativity of younger schoolchildren as a pedagogical problem. Problems of Education, (85), 152 158. (in Ukr.)

[8] Yarmachenko, M. D. (Ed.). (2001). Pedagogical Dictionary. (in Ukr.)