M. Etukudo, Mbosowo, and Anthony Egbe. 2017. “Physiological Studies of Phaseolus Vulgaris L. In Medium Irrigated With Different Sources of Water from Otuoke, Bayelsa State, Nigeria”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 36 (8):273-80. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8552.