लैपटॉप, शिक्षा, स्क्रीन, एक रंग का, वास्तविक, संगणक, पुस्तक, सीखना, प्रशिक्षण, ज्ञान, प्रौद्योगिकी
Public Domain
प्रासंगिक तस्वीरें
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