Suharsih, and Hendri Irawan. “ANALYSIS OF LEARNING DIFFICULTIES IN THE PERIOD OF DISTANCE LEARNING (PJJ) NAHDLATUL ULAMA PRIVATE SMP SCHOOLS T.A 2021 2022”. REKOGNISI : Jurnal Pendidikan Dan Kependidikan (E-ISSN 2599-2260), vol. 6, no. 1, June 2021, pp. 1-13, https://jurnal.unusu.ac.id/index.php/rekognisi/article/view/140.