תרתי קיימא

de Dafnah Goldman, Ḥevrah la-haganat ha-ṭevaʻ, Merkaz Heshel, ha-Makhon ha-Yiśreʼeli la-ḥashivah ule-manhigut sevivatit (Tel Aviv), Israel. Miśrad ha-ḥinukh. Mazkirut ha-pedagogit, Israel. Miśrad la-haganat ha-sevivah, Seminar ha-ḳibutsim (Tel Aviv, Israel) Bet ha-sefer le-omanuyot ha-bamah, Ḥevrah memshaltit Parḳ Ariʼel Sharon (Ayalon)