GPH-International Journal of Applied Science (E-ISSN: 3050-9653), Volume 9, Issue 05 (2026) presents a collection of rigorously peer-reviewed research articles spanning diverse areas of applied science, engineering, technology, environmental studies, and interdisciplinary scientific innovation. The contributions provide evidence-based solutions, methodological advancements, and practical applications addressing contemporary scientific and technological challenges. All manuscripts were evaluated through a stringent double-blind peer review process and published in accordance with internationally recognized standards of academic excellence, research integrity, and publication ethics.