Because of its significant challenges during supply disruptions that occur during natural disasters $($such as the COVID$-19$ pandemic$),\_\_\_$ has lost much of its popularity.

Because of its significant challenges during supply disruptions that occur during natural disasters $($such as the COVID$-19$ pandemic$),\_\_\_$ has lost much of its popularity. drop zone empty.

Project management $($PM$)$ systems using Gantt charts

Decision Making Process Management systems

Just$-$in$-$time $($JIT$)$ manufacturing and inventory management

Customer Relationship Management $($CRM$)$ systems