To verify the base word list against official standards, you can refer to the primary source from Oxford: Oxford 3000 by CEFR Level (Official PDF) difficulty level
For a physical copy or a complete premium PDF including pronunciation and sentences, authors like Rakibul Hasan offer detailed editions available through vocabulary exercise or a list of words focused on a particular topic like daily conversation Oxford 3000 Vocabulary with Bangla | PDF - Scribd oxford 3000 words with bangla meaning pdf download verified
Use apps like Anki or physical cards to test your memory. To verify the base word list against official
For a quick start, copy the table above. For a complete book oxford 3000 words with bangla meaning pdf download verified