ANYANWU, RAYMOND IFEANYI; MUHAMMAD, ISMAIL; SHITTU, MICHAEL ADENIYI; MICHAEL, JONATHAN DADIYA. RELATIVE ANALYSIS OF STUDENTS PERCEPTION OF DIFFICULT CONCEPTS IN BIOLOGY AMONG SENIOR SECONDARY SCHOOLS IN KAURA, KADUNA STATE, NIGERIA . BJERP 2025, 9 (8). https://doi.org/10.70382/bejerp.v9i8.017.