BELLO, FATIMA S.; KABIRU, SAMBO; OLUSHOLA LAPINNI, HAKEEM; OLORUNNISOLA TEMITOPE, ADEBAYO; IBRAHIM, IDRIS
(2015-09)
This
research
work was carried out to investigate
the difficult concepts in
chemistry and the
ir
effect
s
on the achievement of student
s’ in some secondary
schools in Sokoto metropolis.
Criteria used in ...