Books by Mohammad Ilyas undifferentiated
Smart dust
New moon's visibility and inte
New moon's visibility and international Islamic calendar for the American region, 1407H-1421H
New moon's visibility and inte
New moon's visibility and international Islamic calendar for the Asia-Pacific region, 1407H-1421H
New moon's visibility and inte
New moon's visibility and international Islamic calendar for the Afro-Asian and European region, 1407H-1421H