by
Remler, Dahlia K., author.
Format:
Books
Publication Date
2022
Excerpt:
public schools -- What is an observational study? -- Control variables -- Matching -- Control variables
by
Hanson, Ralph E., author.
Format:
Books
Publication Date
2016 2015
Excerpt:
; Public relations: interactions, relationships, and the news. -- Part 5: Regulation and control of the