Volume 7, Issue 1, January and February 2017, Pages 27-36
Jude Efiom Okokon; Joseph Oyepata Simeon; Emem Ekpo Umoh
Volume 3, Issue 1, November and December 2012, Pages 35-44
Jude Efiom Okokon; Ahsana Dar Farooq; Mohammed Iqbal Choudhary