APPLICATION OF SCHEFFE’S MODEL FOR STABILIZATION OF AMURO-OKIGWE SUBGRADE USING MALE INFLORESCENCE OF OIL PALM ASH. NIJOTECH [Internet]. 2018 Dec. 24 [cited 2026 Jan. 14];38(1):60-74. Available from: https://www.nijotech.com/index.php/nijotech/article/view/1915