On June 14 2023, the Department of Chemistry Education will release retired lecturers. He is Mr. Agus Salim, M.Si. who has retired as of June 1 2023. Mr. Agus Salim is a lecturer in the field of Physical Chemistry who has served in the Chemistry Education Department, FMIPA UNY for more than 30 years. He is known as a pious and dedicated person while serving in the UNY Chemistry Education Department. In her speech, Mrs. Dr. Retno Arianingrum expressed her deepest gratitude and appreciation for all of Mr. Agus Salim's dedication in developing the Department of Chemistry Education. After his retirement, Mr. Agus Salim remained active at IKAPEN UNY and attended every gathering activity for the Chemical Education Department's extended family.