PUI-PT Combinatorics and Graph is pleased to welcome a group of lecturers and students from Universiti Putra Malaysia for a cross-border research internship program aimed at enhancing academic and research collaboration. These interns will explore various aspects of graph theory and combinatorics, cryptography, and machine learning. During the week-long visit, Universiti Putra Malaysia lecturers and students will be involved in a series of activities designed to increase their understanding in fields related to applied mathematics and artificial intelligence. This research internship is part of PUI-PT Combinatorics and Graph's efforts to broaden international collaboration networks and enhance global understanding in science. Prof. Drs. Dafik, M.Sc., Ph.D. in his opening said, "We are very pleased to be able to share knowledge and experience with the lecturers and students of Universiti Putra Malaysia. This kind of international collaboration is an important step in developing our understanding of science and technology.".