Baitun S, Begum BA, Khan MB. Status of atmospheric particulate matter and black carbon concentration at Ashuganj in Brahmanbaria. J Bangladesh Agric Univ [Internet]. 2018 Aug. 23 [cited 2024 Oct. 20];16(2):232-6. Available from: https://banglajol.info/index.php/JBAU/article/view/37966