On Tuesday, April 22, 2025, Promovendus Bambang Patijaya was declared to have passed the examination for the results of the doctoral program in economics, concentration in development economics (Sustainable Development) at Trisakti University. Promovendus Bambang Patijaya is also the Chairman of Commission XII of the Indonesian House of Representatives. As a member of the Indonesian House of Representatives from the electoral district of the Bangka Belitung Islands Province, the man familiarly called BPJ is optimistic that he will provide many benefits to the region. Bangka Belitung is famous for its tin mines, this is what he raised regarding his dissertation research results regarding the sustainable tin trade model. Once again, congratulations to Promovendus Bambang Patijaya, prepare for the next closed session.