LUHANGA, M L. THE MEAN RETURN TIME TO A STATE FOR A MARKOV CHAIN REPRESENTING IN TELEPHONE CONVERSATIONS. Tanzania Journal of Engineering and Technology, [S. l.], v. 9, n. 1, 2018. Disponível em: http://196.44.161.124/index.php/tjet/article/view/2172. Acesso em: 7 apr. 2026.