Septian Iswanjaya. “The Effectiveness Of Using Google Classroom As A Learning Media For Electronic Control Systems In The Covid-19 Pandemic Period At SMKN Lengkong Nganjuk Regency”. PINUS: Jurnal Penelitian Inovasi Pembelajaran 9, no. 2 (March 1, 2024): 51 - 58. Accessed October 31, 2024. https://ojs.unpkediri.ac.id/index.php/pinus/article/view/14665.