Deletion of Product requirements document

Comment: Although the titles of the references presented by {{noping|Northamerica1000}} seem suspect, upon closer investigation they seem to be RS, so there is quite some coverage. Past the  line
Stance: keep
Cited policy: Wikipedia:Wikipedia is not a dictionary (WP:DICDEF)

Comment: The subject meets . Source examples include, but are not limited to: https://books.google.com/books?id=abX0N7Um28oC&pg=PA63&dq=%22Product+requirements+document%22&hl=en&sa=X&ved=0ahUKEwiK38Pz2o3MAhUS2mMKHVvBC8wQ6AEIKzAA#v=onepage&q=%22Product%20requirements%20document%22&f=false Product Management, https://books.google.com/books?id=8rE0iKX-oLkC&pg=PA38&dq=%22Product+requirements+document%22&hl=en&sa=X&ved=0ahUKEwiK38Pz2o3MAhUS2mMKHVvBC8wQ6AEIOzAD#v=onepage&q=%22Product%20requirements%20document%22&f=false Translation and Localization Project Management, https://books.google.com/books?id=brA7CwAAQBAJ&pg=PA96&dq=%22Product+requirements+document%22&hl=en&sa=X&ved=0ahUKEwiK38Pz2o3MAhUS2mMKHVvBC8wQ6AEIQDAE#v=onepage&q=%22Product%20requirements%20document%22&f=false Project Management ToolBox, https://books.google.com/books?id=0EWjBQAAQBAJ&pg=PA56&dq=%22Product+requirements+document%22&hl=en&sa=X&ved=0ahUKEwiK38Pz2o3MAhUS2mMKHVvBC8wQ6AEITDAG#v=onepage&q=%22Product%20requirements%20document%22&f=false The Digital Guide To Software Development, https://books.google.com/books?id=pVzP93rJpVkC&pg=PA155&dq=%22Product+requirements+document%22&hl=en&sa=X&ved=0ahUKEwiK38Pz2o3MAhUS2mMKHVvBC8wQ6AEINTAC#v=onepage&q=%22Product%20requirements%20document%22&f=false The Product Manager's Toolkit
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG)