Sulistyaningsih, Sri, Tri Joko Raharjo, Agus Hermanto, and Titi Prihatin. 2023. “The Contribution of Pangestu Semarang Branch 3 in Strengthening of Character Education (PPK) Based on the Teachings of Sang Guru Sejati”. International Conference on Science, Education, and Technology 7 (1):906-17. https://proceeding.unnes.ac.id/ISET/article/view/2064.