QISHLOQ XO‘JALIGI EHTIYOJI UCHUN O‘RTA KATTALIKDAGI MOBIL FOTOELEKTRIK STANSIYALARNING ISHLASH SAMARADORLIGINI OSHIRISHNING VAQTGA BOG‘LIQ KUZATUV
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"The roots of education are bitter, but the fruit is sweet." — Aristotle
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