Authors

---

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

---

Y

YA’U ADAMU, -Department of General Education, Federal College of Education Jama’are, Bauchi State YA’U ISYAKU -Ya’u Isyaku, Angulu Haruna, Hamza Samaila and Chedi, J. Mustapha Department of Vocational and Technology Education, Faculty of Technology Education, Abubakar Tafawa Balewa University, Bauchi YADUMA, P. S. -Department of Vocational Technology Education, Abubakar Tafawa Balewa University, Bauchi YAHAYA Z. AHMED -National Examinations Council, Gombe, Gombe State Office, YAHAYA, A. -Federal College of Education (Tech) Potiskum YAHAYA, QUADRI -Department of Science Education, Faculty of Education, University of Ilorin YAHAYA, WASIU OLAYINKA -Department of Science Education, Faculty of Education, University of Ilorin YAKASAI, U. U. -Faculty of Agriculture Library, Federal University, Dutse YAKI, A. A. -Department of Science Education, School of Science and Technology Education, Federal University of Technology Minna, Niger State YAKSE, A. I. -Social Studies Department, Federal College of Education, Pankshin, Plateau State YAKUBU IBRAHIM WUNTI (PHD) -Department of Educational Foundations Federal University of Kashere, Gombe State YAKUBU MUHAMMAD BELLO -School of Art and Social Sciences. College of Education, Billiri, Gombe State YAKUBU, A. -Department of Science Education, Federal University Gusau, Zamfara State YAKUBU, I. W. -Department of Educational foundation Federal University of Kashere, Gombe State YAKUBU, S. MUHAMMAD -Department of Educational Foundations, Faculty of Education, Federal University of Kashere, Nigeria