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Table 1 Bibliometric analysis of the 382 documents from Arab countries associated with solid waste during the period from 1982 to 2012

From: The Arab world’s contribution to solid waste literature: a bibliometric analysis

SCRa Countries Articles (%) h-index Median (Q1–Q3) of citation Average of citation Collaborations with foreign countries Number (%)b of documents with international authors Adjustment index
1st Egypt 87 (22.8) 15 4 (1–12) 10.6 17 27 (31.0) 27.3
2nd Tunisia 75 (19.6) 15 8 (2–14) 12.8 8 31 (41.3) 17.7
3rd Jordan 51 (13.4) 13 5 (1–16) 12.5 10 18 (35.4) 10.3
4th Kuwait 39 (10.2) 8 3 (2–8) 8.7 5 6 (15.4) 0.8
5th Morocco 36 (9.4) 13 6 (2–18) 12 5 24 (66.7) 12.2
6th KSA 25 (6.5) 7 4 (1–9.5) 5.7 12 14 (56.0) 1.0
7th Lebanon 24 (6.3) 8 6.5 (2.3–15.3) 12 2 11 (45.8) 2.5
8th Algeria 20 (5.2) 8 6 (1–12) 9.7 6 11 (55.0) 3.7
9th UAE 10 (2.6) 5 3.5 (1.5–17.5) 9.7 8 5 (50.0) 0.3
10th Iraq 9 (2.4) 5 9 (0–23) 12 3 7 (77.8) 1.4
11th Oman 6 (1.6) 2 1 (0–4.5) 2 3 2 (33.3) 0.3
11th Qatar 6 (1.6) 4 5.5 (3–12.5 8.8 3 4 (66.7) 0.1
13th Syria 4 (1.0) 2 2.5 (0.2–4.8) 2.5 1 1 (25.0) 1.2
14th Bahrain 2 (0.5) - - - 3 2 (100) 0.1
15th Libya 1 (0.3) - - - 1 1 (100) 0.1
15th Sudan 1 (0.3) - - - 0 0 (0.0) 0.6
15th Yemen 1 (0.3) - - - 1 1 (100.0) 0.7
18th Djibouti - - - - - - -
18th Mauritania - - - - - - -
18th Somalia - - - - - - -
18st Comoros - - - - - - -
  1. KSA Kingdom of Saudi Arabia, SAR Syrian Arab Republic, SCR Standard Competition Ranking, UAE United Arab Emirates, Q1–Q3 lower quartile–upper quartile
  2. aEqual countries have the same ranking number, and then a gap is left in the ranking numbers
  3. bPercentage of documents with international authors from the total number of documents for each country