Galero-Tejero, Erlinda. Doorways to English language proficiency: a self-improvement program/ Erlina Galero-Tejero. - xv, 340 pages; 22 cm. ISBN: 971-08-6921-3 Subjects--Topical Terms: English language--Grammar.Language proficiency.Library and study skills. Dewey Class. No.: DFil 425 / T23d