TY - GEN AU - SCHERAGA, MONA. TI - PRACTICAL ENGLISH WRITING SKILLS : : A COMPLETE GUIDE TO WRITING IN ENGLISH/ SN - 0-8442-7591-3 U1 - 428 S34 PY - 1990/// CY - USA: PB - NATIONAL TEXTBOOK CO. KW - 1.INGLES - ESCRITURA N1 - BIBLIOGRAFIA: P. 218 ER -