Write the area codes for the entries whose first names begin with the letter "E"
How many papers were presented at an "ACM CHI Conference" (Hint: How many times does ACM CHI appear in the reference list)
Write the area codes for the entries whose first names begin with the letter "D"
How many papers were presented at an "ACM CHI Conference" (Hint: How many times does ACM CHI appear in the reference list)
Write the area codes for the entries whose first names begin with the letter "L"
How many papers were presented at an "ACM CHI Conference" (Hint: How many times does ACM CHI appear in the reference list)