Title: Dokladi ot osemnadesetata Nat͡sionalna konferent͡sii͡a vŭrkhu vŭprosi na obuchenieto po fizika na tema "Problemi na diferent͡siranoto obuchenieto po fizika v srednoto uchilishte i VUZ"
Subjects: Congresses, Individualized instruction, Physics, Study and teaching
Places: Bulgaria