Methods of Primary data collection 1. Direct personal investigation (interview) 2. Indirect oral investigation 3. Questionnaire Method Methods of Secondary data collection 1. Published Sources 2. Unpublished Sources
Online Educational Platform based on AI
Methods of Primary data collection 1. Direct personal investigation (interview) 2. Indirect oral investigation 3. Questionnaire Method Methods of Secondary data collection 1. Published Sources 2. Unpublished Sources