o'g'li, D. S. H. (2026). XITOY OLIY TA'LIM TIZIMIDA "DOUBLE FIRST-CLASS" TASHABBUSINING SHAKLLANISHIDA ICHKI VA TASHQI OMILLARNING TA'SIRI. Zenodo.
Tohutoru Kātū Chicago (17th ed.)o'g'li, Diyorov Sardobek Husanboy. XITOY OLIY TA'LIM TIZIMIDA "DOUBLE FIRST-CLASS" TASHABBUSINING SHAKLLANISHIDA ICHKI VA TASHQI OMILLARNING TA'SIRI. Zenodo, 2026.
Tohutoro MLA (9th ed.)o'g'li, Diyorov Sardobek Husanboy. XITOY OLIY TA'LIM TIZIMIDA "DOUBLE FIRST-CLASS" TASHABBUSINING SHAKLLANISHIDA ICHKI VA TASHQI OMILLARNING TA'SIRI. Zenodo, 2026.
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