GPH-International Journal of Applied Science (E-ISSN: 3050-9653), Vol. 9 No. 04 (April 2026) presents a rigorously peer-reviewed collection of scholarly articles addressing recent developments and innovations in applied science and interdisciplinary research. The published contributions demonstrate methodological rigor, scientific relevance, and practical applicability across areas including engineering, environmental science, technology, biotechnology, and computational research.

This issue emphasizes originality, analytical quality, and research impact while supporting global scholarly communication, scientific advancement, and open-access dissemination under high editorial and ethical publishing standards.