Kelvin Samuel, Ibrahim Alhasan Libata and Abdulmalik Sabitu (2018) “Efficacy of Process-Based Instruction In Enhancing Secondary School Students’ Academic Performance And Science Skills Acquisition In Identification of Cations In Faskari, Katsina State-Nigeria”, Issues and Ideas in Education, 6(1), pp. 87–97. doi: 10.15415/iie.2018.61005.