Barkman, Paul Friesen. Christian collegians and foreign missions / Paul F. Barkman, Edward R. Dayton [y] Edward L. Gruman. - Monrovia, California : MARC, 1969. - xv, 424 p. ; il. : 24 cm. Subjects--Topical Terms: Misiones - CongresosEstudiantes universitarios - Vida religiosa Dewey Class. No.: 248.8 B254