Yad Ṭabenḳin, Dov Shinar, Berit ha-tenuʻah ha-ḳibutsit. Maḥleḳet hasbarah ṿe-tiḳshoret, Universiṭat Ḥefah. Makhon le-ḥeḳer ule-limud ha-ḳibuts ṿeha-raʻyon ha-shitufi