Browsing by Subject অবনমন বলয়

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 1 of 1
Issue DateTitleAuthor(s)
Jun-2019মহীসঞ্চার (Continental Drift) ও পাত সঞ্চালন (Plate Tectonics)-