1 Subjects: “...picture 2-tuple linguistic sets (P2TLSs)...”

2 Subjects: “...linguistic hesitant fuzzy set and Standard variance...”

3 Subjects: “...corpus linguistics...”

4 Subjects: “...corpus linguistics...”

5 Subjects: “...cross-linguistic...”

6 Subjects: “...linguistic structures...”

7 “... of the research on child language development has been conducted in English and several cross-linguistic studies...”