1.
Malcolm Gladwell. The Tipping Point. London: Brettenham House. 2007. 279 pages. Paperback. £ 6.99. PDR [Internet]. 2007 Mar. 1 [cited 2025 Oct. 26];46(1):pp.97-98. Available from: https://thepdr.pk/index.php/pdr/article/view/2171