by Jorgensen, Edan L., Jorgensen, Stacia L., Heard, Malcolm P., Whitbeck, Les B.
Published in Journal of adolescence (London, England.) (17.06.2009)

by Gifford, Kent A, Horton, Jr, John L, Jackson, Edward F, Steger, 3rd, Theodore R, Heard, Malcolm P, Mourtada, Firas, Lawyer, Ann A, Ibbott, Geoffrey S
Published in Medical physics (Lancaster) (01.07.2005)

by Jorgensen, Edan L., Jorgensen, Stacia L., Heard, Malcolm P., Whitbeck, Les B.
Published in Journal of adolescence (London, England.) (17.06.2009)

by Gifford, Kent A, Horton, Jr, John L, Jackson, Edward F, Steger, 3rd, Theodore R, Heard, Malcolm P, Mourtada, Firas, Lawyer, Ann A, Ibbott, Geoffrey S
Published in Medical physics (Lancaster) (01.07.2005)

by Heard, Malcolm P, Spackman, Matthew P
Published in Leadership Excellence Essentials (01.04.2009)