4 February 2025, one of the lecturers PGSD UPY, carry out service in the form of Guest Lecturer at the Faculty of College of Teacher Education, Mariano Marcos State University (MMSU), Filipina, with the theme "Joyful Learning for Teachers and Students”. Guest lecturer conducted by Dr.. Ningrum Perwitasari, M.Pd. This was attended by eighty teacher training and teachers in Labschool owned by MMSU. This activity was also attended by the Dean of College of Teacher Education, Dr. Aris Reynolds V. Cagijal, Head of the language and culture center, Prof. Leonardo D. Tejano, Principal of Labschool Mmsu, Prof. The Philistia Mercury P. Bagayas and representatives from the MMSU Public Relations Team, Prof. Fe. Erlinda d. Ibali. Two PGSD UPY students accompanied this activity, namely Fitria Ika Yasmida and Arjun Satria Nugraha.

Guest lecturer filled with material for the application of joyful learning and practicing the manufacture of one of the projects from Joyful Learning, the balloon car, Followed by a discussion about the problems encountered in the application of joyful learning in class and ended with giving goodie bag to the most active participants during the guest lecturer. Guest lecturer participants followed enthusiastically.
