The Scientific Day event has been organized and hosted annually by Institute of Technology of Cambodia (ITC). The event has been initially organized as a local forum and it was transformed into an international forum in 2022 for academics, researchers, engineers, and industries to discuss and disseminate recent research finding, development, innovation and Science, Technology, Engineering and Mathematics (STEM) in order to achieve the sustainable development. Last year, 12th Scientific day was successfully organized on 7-8 June 2023 on-site. The event was participated by more than 1,400 on-site participants from approximately 70 organizations including ministries, local and international partners, NGOs, and private sectors, and 99 extended abstracts. The 13th Scientific Day will be help on 06-07 June 2024 at Institute of Technology of Cambodia (ITC), Phnom Penh, Cambodia. Interestingly, the theme of the conference this year Catalyzing Innovation: Human Capital, Research, and Industry Linkage joint held with International Symposium on Water Supply and Sanitation, and the 1st Symposium of Food Technology Research and Innovation-review for all papers. Accepted papers will be published as proceedings of the Scientific Day and the outstanding papers with great results will be suggested for further modification to publish in Techno-Science Research Journal (TSRJ).