Improvement of Quality Characteristics of an Epoxy-Based Composite Reinforced with Sisal (Agave Sissalana) Plant Fibre for Wind Turbine Blade Material using Taguchi Grey Relational Analysis. NIJOTECH. 2022;41(1):123-130. Accessed April 16, 2026. https://nijotech.com/index.php/nijotech/article/view/2679