/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ngoccao102 https://cdn.slidesharecdn.com/profile-photo-ngoccao102-48x48.jpg?cb=1523589492 gan day da hoc hoi dc nhiu cai moi ruj..va minh da biet dc phong thai diem tinh,lanh lung la dieu kien tot nhat de thich nghi voi moi trg cog so..haizz..vay la k dc tre con nua ruj..buon wa ah