Kassa Melese, Wassu Mohammed, and Gebre Hadgu. “Response of Hot Pepper (Capsicum Annuum L.) As Affected by NP Fertilizer and Farmyard Manure Combined Application in Raya Azebo District, Northern Ethiopia”. International Journal of Life Sciences, vol. 6, no. 4, Dec. 2018, pp. 831-48, https://ijlsci.in/ls/index.php/home/article/view/286.