Due to its popularity in South Asia, it is often available in local bookstores in Bangladesh.
Since this is a massive 1,200+ page reference book, many students prefer physical copies for study. It is widely available at: a passage to the english language by zakir hossain pdf link
A Passage to the English Language by S.M. Zakir Hussain (often spelled Hossain) is a highly regarded resource for learners in Bangladesh, especially those preparing for competitive exams like the BCS. Rokomari.com Book Review & Key Features Due to its popularity in South Asia, it