by Beekman, John A., Ober, David
Published in School science and mathematics (01.01.2015)

by Ober, David R, Beekman, John A, Pierce, Rebecca L
Published in Journal of education and training studies (01.04.2018)

by Grissmer, David W, Beekman, John A, Ober, David R
Published in Education policy analysis archives (03.02.2014)

by Beekman, John A., Donkar, Eli N.
Published in North American actuarial journal (01.10.2001)

by Ober, David R, Beekman, John A
Published in Journal of education and training studies (01.04.2016)

by Beekman, John A., Fuelling, Clinton P.
Published in Insurance, mathematics & economics (1992)

by Beekman, John A., Fuelling, Clinton P.
Published in Insurance, mathematics & economics (01.09.1990)

by Beekman, John A., Kabir, Md.Humayun
Published in Insurance, mathematics & economics (15.11.1997)

by Beekman, John A.
Published in Insurance, mathematics & economics (01.01.1985)

by Meyers, Glenn, Beekman, John A.
Published in Insurance, mathematics & economics (01.11.1987)

by Beekman, John A.
Published in Insurance, mathematics & economics (01.01.1984)

by Beekman, John A., Shiu, Elias S.W.
Published in Insurance, mathematics & economics (01.10.1988)

by Beekman, John A
Published in North American actuarial journal (01.10.2003)

by Beekman, John A.
Published in North American actuarial journal (01.10.2003)

by Beekman, John A., Fuelling, Clinton P.
Published in Insurance, mathematics & economics (1987)

by Beekman, John A
Published in Nagoya mathematical journal (1970)

by Beekman, John A.
Published in Nagoya mathematical journal (01.01.1971)

by Beekman, John A.
Published in Nagoya mathematical journal (01.01.1969)

by Beekman, John A.
Published in North American actuarial journal (01.04.1999)

by Beekman, John A.
Published in North American actuarial journal (01.04.1998)