Al-Samaky LF. Validity and reliability Measurement of TIMSS 2011 test in mathematics across school location and supervising authority in Jordan. JEPS [Internet]. 2020 Jun. 30 [cited 2025 Dec. 21];4(21):67-45. Available from: https://www.ajsrp.ojsexpert.com/index.php/jeps/article/view/2538