Identify the conceptual contributions of Chester Barnard to organizational theory from the following: A. Zone of Acceptance B. Zone of Indifference C. Fiction of Authority D. Contribution-satisfaction equilibrium Choose the correct answer from the options given below:

Arrange the following biographical and professional milestones of Rensis Likert in chronological order: A. The birth of social psychologist Rensis Likert B. The publication of 'New Patterns of Management', defining job-centered supervisors as those who exert heavy pressure and allow little freedom to subordinates C. The publication of 'The Human Organization', which classifies management styles into four systems D. The year marking the passing of Rensis Likert Choose the correct answer from the options given below:

Arrange the following milestones in the biographical and professional timeline of Rensis Likert in chronological order: A. The publication of the study 'The Human Organization', which classifies management styles into four systems. B. The birth of social psychologist and management theorist Rensis Likert. C. The introduction of the Linking Pin Model illustrating multiple overlapping group structures with horizontal as well as vertical linkages. D. The release of the publication titled 'New Ways of Managing Conflict'. Select the correct answer from the options given below: