GPH-International Journal of Applied Science (E-ISSN: 3050-9653), Volume 9, Issue 03 (2026) presents a collection of rigorously peer-reviewed research contributions across core areas of applied science, including engineering, environmental studies, technological innovation, and interdisciplinary scientific applications. The articles in this issue emphasize practical relevance, methodological rigor, and innovation-driven outcomes. Each manuscript has undergone a strict double-blind peer review process to ensure originality, technical soundness, and adherence to international academic and ethical standards. This issue reflects the journal’s commitment to advancing applied scientific knowledge that addresses real-world challenges and supports sustainable development through research-based solutions. It serves as a platform for researchers, engineers, and academicians to disseminate high-quality, impactful work across diverse applied science domains.