Critical path method is -

- a network is a graphic plan of all events and activities to be completed in order to reach an end objective. - the two common types are of network technique are ; PE and CPM. -Critical path method : the longest path of the network. - if any activity along the critical path is delayed, the whole project will be delayed. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:872 <\p>