Statement on foreign policy / Koca Popovic Prirucnik za upotrebu nastavnih sredstava kabineta prve pomo´ci i zastite u osnovnoj skoli / Dusan Gligorijevi´c, Velimir Davidovi´c socialist thought and practice Total national defense, strategy of peace / Nikola Lujubiÿéci´c ; [translated by K. Kveder]