Author(s) : Auterhoff, Harry - I. Sugiarso, N.C. - Weston, J. Fred - I. Copeland, Thomas E. II. Sinaga, Marianus -

Author(s) : - Kalpakjian, Serope - Weston, J. Fred - II. Sinaga, Marianus - I. Copeland, Thomas E. -

Author(s) : NULL - Belkaoui, Ahmed - I. Vaughan, J.P. - I. Wibowo, Herman II. Sinaga, Marianus -

Author(s) : - I. Wibowo, Herman - Belkaoui, Ahmed - II. Sinaga, Marianus - Atta, Frieda E. van -

Author(s) : NULL - I. Tambunan, Kamariah II. Prahastuti, Sarwintyas - I. Tambunan, Kamariah - II. Prahastuti, Sarwintyas -

Author(s) : - NULL - Situmeang, M - I. Tambunan, Kamariah - II. Prahastuti, Sarwintyas -

Author(s) : NULL - Belkaoui, Ahmed - I. Vaughan, J.P. - I. Wibowo, Herman II. Sinaga, Marianus -

Author(s) : NULL - Belkaoui, Ahmed - I. Vaughan, J.P. - I. Wibowo, Herman II. Sinaga, Marianus -

Author(s) : I. Hunger, J. David - Belkaoui, Ahmed - Wheelen, Thomas L. - I. Wibowo, Herman II. Sinaga, Marianus -

Author(s) : Gibson, Robert L - I. Mitchell, Marianne H -

Author(s) : Gibson, Robert L - I. Mitchell, Marianne H -

Author(s) : MASUD - I. Skousen, K. Fred II. Sinaga, Marianus -

Author(s) : - Badruizaman, Mariam Darus -

Author(s) : - Badruizaman, Mariam Darus -

Author(s) : - Badruizaman, Mariam Darus -

Author(s) : - Badruizaman, Mariam Darus -

Author(s) : Hendriksen, Eldon S. - I. Sinaga, Marianus -

Author(s) : Hendriksen, Eldon S - I. Sinaga, Marianus II. Liyono, Ak. Wim -

Author(s) : NULL - I. Tambunan, Kamariah II. Cahyatmo, Noor -

Author(s) : NULL - Marianto, M.Dwi -