EFFECTS OF VARIATION OF PARTICLE SIZE AND WEIGHT FRACTION ON THE TENSILE STRENGTH AND MODULUS OF PERIWINKLE SHELL REINFORCED POLYESTER COMPOSITE. NIJOTECH [Internet]. 2009 May 1 [cited 2026 Apr. 19];30(2):87-93. Available from: https://mail.nijotech.com/index.php/nijotech/article/view/32