Yakubu,A Research Methodology: An Introduction/ Print. By A,Yakubu.- - Nigeria: Tetfund, C 2021. - Vii, 62p.: ill.; 8cm. Include Bibliography. ISBN: 97897897971259001 Source: B-48116 Subjects--Topical Terms: Methodology and StatisticsSociol Science (General). LC Class. No.: H62 / .Y34