Content Type OA ? PCA ? Books (Back List, Front List) No Yes Request a holdings comparison Portico provides a free holdings comparison service to compare a library’s journal or book holdings to the Portico archive. Search titles and ISSNs by keyword: Show: E-Books All0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Titles start with A (1) Information Acoso escolar y habilidades sociales. Author/Editor: Dolly Enith Vargas Martínez,William Alejandro Jiménez Jiménez,Juan Manuel Durán