Sorry, this entry is only available in O`zbek.
(O`zbek) Mavzu: 8-sinf kimyo darsligidagi “D.I. Mеndеlееvning davriy qonunini va sistеmasi” mavzusi yuzasidan nostandart topshiriqlar tuzish mеtodikasi
Sorry, this entry is only available in O`zbek.
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