(en) King Jigme Dorji Wangchuk, site Bhutan Majestic Travel : « He encouraged certain modern inventions to assist the local peasantry and introduced wheeled vehicles, where previously the transportation of crops and people was done manually. »
King Jigme Dorji Wangchuk, op. cit. :« At the same time, he empowered the National Assembly to remove him and his successors with a two-thirds majority. »
King Jigme Dorji Wangchuk, op. cit. « King Jigme Dorji Wangchuck suffered his first heart attack at the age of twenty, and made frequent visits overseas for medical treatment. »
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(en) Ramakant, Ramesh Chandra Misra, Bhutan: society and polity, volume 34 de South Asia studies series, Indus Publishing, 1996, 327 p., p. 169 : « During his reign land reforms were introduced, slavery and serfdom were abolished. »
(en) Lindsay David Brown, Bradley Mayhew, Stan Armington, Richard W. Whitecross, Bhutan 3.
(en) Bhutan Foreign Policy and Government Guide, Global Investment and Business Center, Inc. Staff, International Business Publications, USA, 2000, 350 pages, (ISBN0739737198 et 9780739737194) p. 62 : « Earlier he had married the European-educated cousin of the chogyal (king) of Sikkim and with her support made continual efforts to modernize his nation throughout his twenty-year reign. »
(en) Lindsay David Brown, Bradley Mayhew, Stan Armington, Richard W Whitecross, Bhutan 3, p. 40.
