Strategies that motivate students learning the english language in ninth grade of Pauline Haisall Reyes School, in Yolaina community, Nueva Guinea, in the second semester of 2013 / Windell Ely Andrades Oporta; Ezequiel David Mercado Sanchéz - Andrades Oporta, Windel Ely; Mercado Sanchéz, Ezequiel David (2014)