Department of Mathematics;
National College of Business Administration and Economics;
Lahore;
Pakistan;
Faculty of Engineering;
University of Central Punjab;
Lahore;
Pakistan;
Department of Mathematics and Statistics;
The University of Lahore;
Lahore;
Pakistan;
Faculty of Mathematics and Statistics;
Ton Duc Thang University;
Ho Chi Minh City;
Vietnam;
Department of Mathematics;
College of Arts and Science at Wadi Aldawaser;
Prince Sattam Bin Abdulaziz University;
Alkharj;
Saudi Arabia;
Smoking model; stochastic numerical techniques; convergence;