IELTS 8.5 IELTS Vocabulary Masterclass. Phrasal Verbs, Essay Vocabulary, Graph Vocabulary – Marc Roche, IELTS Vocabulary Consultants [PDF] [English]
Essential Words for the TOEFL (Barron’s Test Prep) [Seventh Edición] – Steven J. Matthiesen [PDF] [English]
English Grammar Master in 30 Days: A step by step guide for a strong English foundation: A step by step guide for a strong English foundation – Xyli Gonzales [PDF] [English]
Collins 175 Years of Dictionary Publishing: Easy Learning Grammar and Punctuation in Colour – HarperCollins Publishers [PDF] [English]
Something to Read 1. A Reader for Elementary Students of English – Christine Lindop, Dominic Fisher [PDF]