TY - BOOK AU - Kalalang, Sally S. AU - Kalalang, Avelino P. TI - Questioned document examination: an instructional handbook SN - 9710459421 U1 - GR 347.47 K124 2004 PY - 2009/// CY - Quezon City, Philippines. PB - Wiseman's Book Trading, Inc. KW - Writing -- Identification -- Study and teaching (Higher) ER -