Widespread Report of Multiple Insecticide Resistance in Anopheles gambiae s.l. Mosquitoes in Eight Communities in Southern Gombe, North-Eastern Nigeria oleh Adedayo Olatunbosun Oduola, Ezra Abba, Olukayode Adelaja, Adeolu Taiwo Ande, Kennedy Poloma Yoriyo, Taiwo Samson Awolola