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by Kenney, W Larry; Wilmore, Jack H; Costill, David L
by Stone, Jim; London, Barbara
by Paul M. Pedersen Lucie Thibault
by Young, Terrell; Bryan, Gregory; Jacobs, James S.; et al.
by Barlow/Durand/Hofmann
by Abernathy, Scott; Waples, Karen
by Smith, Cheri
by OpenStax
by Ivey, Allen; Ivey, Mary; Zalaquett, Carlos
by Morris, James; Castignetti, Domenic; Lepri, John; et al.