Fourman Joyarto Simatupang, and Dorlan Naibaho. “Penguatan Kompetensi Sosial Guru Dalam Terampil Berkomunikasi”. Journal of Cross Knowledge, vol. 1, no. 2, Dec. 2023, pp. 93-103, https://edujavare.com/index.php/IJCK/article/view/114.