Widji Utami Dewi is writing a letter of recommendation for Wahyu Ihdia for a master's degree scholarship. She explains that Wahyu helped develop the science and technology curriculum at Al Jabr Islamic School based on the International Baccalaureate program. Wahyu also collaborated with Widji to interpret the IB curriculum for their school culture. Within a teacher training program, Wahyu designed science lessons, conducted research, and assessed students. He has also pioneered teacher training programs to share his experience teaching science and mathematics with local teachers. Widji gives her highest recommendation for Wahyu, praising his leadership, collaboration skills, and compassion for students.