Dadras, Mohammad Hadi, et al. “Comparison the Effectiveness of Bybee’s Teaching Method As Face-To-Face and Non-Face-To-Face on the Academic Achievement of Male Students of the First Secondary School in the Conditions of the Covid-19 Pandemic”. Iranian Journal of Educational Sociology, vol. 5, no. 3, June 2022, pp. 260-9, https://qijes.com/index.php/ijes/article/view/1098.