k j nijkerk

K. J. Nijkerk · Samsom

242 sayfa · 1970

Small groups

K. J. Nijkerk · M.F. van Rossen

307 sayfa · 1970

Congresses and conventions / International cooperation / Congresses

John P. Grant, K. J. Nijkerk, R. Jagtenberg · Avebury

318 sayfa · 1988

Law / Congresses / Study and teaching / International Law / Teaching of a specific subject