Rasulov , E. M. “ELEKTRON PORTFOLIO TALABANING KASBIY VA IJODIY FAOLIYATLARINI RIVOJLANTIRISH VOSITASI SIFATIDA”. Innovative Development in Educational Activities, vol. 2, no. 13, July 2023, pp. 41-46, https://openidea.uz/index.php/idea/article/view/1512.