TY - JOUR TI - The Influence of Reinforcement Skill on Academic Performance of Secondary School Physics Students in Obio-Akpor Lga, Rivers State Nigeria AU - N Mandah AU - O Gbarato PY - 2016 JO - Journal of Education Society and Behavioural Science DO - 10.9734/bjesbs/2016/25551 UR - https://doi.org/10.9734/bjesbs/2016/25551 AB - International audience ER -