Wossen, Tesfaye. 2017. “Determination of Optimum Rate of Blended Fertilizer for Pod Yield of Snap Bean (Pharsalus Vulgaris L.) at Teda, North Gondar, Ethiopia”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 32 (2):66-79. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6880.