A queueing system with random server capacity and multiple control. - Jewgeni H. Dshalalow; Lotfi Tadj (Queueing Syst. Theory Appl., 1993)

A matrix analytic solution to a hysteretic queueing system with random server capacity. - Lotfi Tadj (Appl. Math. Comput., 2001)

Parameters estimation of a repairable system. - Ammar M. Sarhan; Lotfi Tadj (Appl. Math. Comput., 2003)

A quorum queueing system under D-policy. - Lotfi Tadj (Appl. Math. Comput., 2003)

On an M/G/1 quorum queueing system under T-policy. - Lotfi Tadj (J. Oper. Res. Soc., 2003)

Control policy of a hysteretic queueing system. - Lotfi Tadj; Jau-Chuan Ke (Math. Methods Oper. Res., 2003)

Control policy of a hysteretic bulk queueing system. - Lotfi Tadj; Jau-Chuan Ke (Math. Comput. Model., 2005)

Optimal control of a production inventory system with deteriorating items. - Lotfi Tadj; Messaoud Bounkhel; Yacine Benhadid (Int. J. Syst. Sci., 2006)

A generalized economic order quantity model with deteriorating items and time varying demand, deterioration, and costs. - Zaid T. Balkhi; Lotfi Tadj (Int. Trans. Oper. Res., 2008)

A quorum queueing system with an unreliable server. - Lotfi Tadj; Gautam Choudhury (Appl. Math. Lett., 2009)

Optimal management policy for a single and bulk service queue under Bernoulli vacation schedules. - Lotfi Tadj; Chafik Abid (Int. J. Appl. Decis. Sci., 2009)

The N-policy for an unreliable server with delaying repair and two phases of service. - Gautam Choudhury; Jau-Chuan Ke; Lotfi Tadj (J. Comput. Appl. Math., 2009)

A batch arrival retrial queueing system with two phases of service and service interruption. - Gautam Choudhury; Lotfi Tadj; Kandarpa Deka (Comput. Math. Appl., 2010)

Optimal policy of a hybrid queueing system. - Chafik Abid; Lotfi Tadj (Int. J. Math. Oper. Res., 2010)

Validating a port simulation model with application to the port of Alexandria, Egypt. - Mohammed Abdel Salam; Kamel Rekab; Lotfi Tadj (Int. J. Simul. Process. Model., 2010)

Cost evaluation in M/G/1 queue with T-policy revisited, technical note. - Zhe George Zhang; Lotfi Tadj; Messaoud Bounkhel (Eur. J. Oper. Res., 2011)

Optimal management policy for a single and bulk service queue. - Lotfi Tadj; Chafik Abid (Int. J. Adv. Oper. Manag., 2011)

The optimal control of an Mx/G/1 unreliable server queue with two phases of service and Bernoulli vacation schedule. - Gautam Choudhury; Lotfi Tadj (Math. Comput. Model., 2011)

Binomial Schedule for an M/G/1 Type Queueing System with an Unreliable Server under N-Policy. - Lotfi Tadj; K. Paul Yoon (Adv. Decis. Sci., 2014)

Model Predictive Control of a Forecasting Production System with Deteriorating Items. - Abdelhak Mezghiche; Mustapha Moulaï; Lotfi Tadj (Int. J. Oper. Res. Inf. Syst., 2015)

An Unreliable Quorum Queueing System with Single and Multiple Vacations. - Lotfi Tadj (Asia Pac. J. Oper. Res., 2017)

Steady-State Analysis of a Flexible Markovian Queue with Server Breakdowns. - Messaoud Bounkhel; Lotfi Tadj; Ramdane Hedjar (Entropy, 2019)

Exact and approximate solution for optimal inventory control of two-stock with reworking and forecasting of demand. - Alireza Pooya; Morteza Pakdaman; Lotfi Tadj (Oper. Res., 2019)

Optimal Control of Nonsmooth Production Systems with Deteriorating Items, Stock-Dependent Demand, with or without Backorders. - Messaoud Bounkhel; Lotfi Tadj; Yacine Benhadid; Ramdane Hedjar (Symmetry, 2019)

Entropy Analysis of a Flexible Markovian Queue with Server Breakdowns. - Messaoud Bounkhel; Lotfi Tadj; Ramdane Hedjar (Entropy, 2020)

An Unreliable Batch Arrival Retrial Queueing System With Bernoulli Vacation Schedule and Linear Repeated Attempts: Unreliable Retrial System With Bernoulli Schedule. - Gautam Choudhury; Lotfi Tadj (Int. J. Oper. Res. Inf. Syst., 2020)

Internet digital content pricing and subscribers control. - Sobhi Mejjouali; Lotfi Tadj (Oper. Res. Decis., 2023)