1 The Potential of Using Unmanned Aerial …
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7. Keller S., Conradin K.: Semi-Structured interviews. Sustainable sanitation and water management. https://sswm.info/planning-and-programming/decision-making/gathering-ideas/semistructured-interviews (2019). Accessed 19 May 2019
8. Martic K.: Difference between structured, unstructured and semi-structured job interviews.
Talent corporation ltd. https://www.talentlyft.com/en/blog/article/92/difference-between-str
uctured-unstructured-and-semi-structured-job.interviews (2018). Accessed 19 May 2019
9. Mishra B.: The use of drones in maritime industry. Seanews. https://seanews.co.uk/features/
the-use-of-drones-in-maritime-industry/ (2018). Accessed 2 Apr 2019
10. Piaw C.Y.: Mastering research methods. McGraw-Hill education (Malaysia), Shah Alam (2016)
11. Rouse M.: Drone (Unmanned aerial vehicle, UAV). Tech target. https://internetofthingsagenda.
techtarget.com/definition/drone (2016). Accessed 14 Mar 2019
12. Shakhatreh H. et al.: Unmanned aerial vehicles: A survey on civil. Arvix. https://arxiv.org/pdf/
1805.00881.pdf (2018). Accessed 2 Apr 2019
13. Singh S.: Sampling techniques. Towards data science. https://towardsdatascience.com/sam
pling-techniques-a4e34111d808 (2018). Accessed 20 May 2019
14. Venier S., Laukyte M.: Protection or danger from above? The use of drones in emergency,
defence and security operations. GSDM global. https://gsdm.global/use-of-drones-in-emerge
ncy-defence-and-security.operations/ (2018). Accessed 18 Mar 2019
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7. Keller S., Conradin K.: Semi-Structured interviews. Sustainable sanitation and water management. https://sswm.info/planning-and-programming/decision-making/gathering-ideas/semistructured-interviews (2019). Accessed 19 May 2019
8. Martic K.: Difference between structured, unstructured and semi-structured job interviews.
Talent corporation ltd. https://www.talentlyft.com/en/blog/article/92/difference-between-str
uctured-unstructured-and-semi-structured-job.interviews (2018). Accessed 19 May 2019
9. Mishra B.: The use of drones in maritime industry. Seanews. https://seanews.co.uk/features/
the-use-of-drones-in-maritime-industry/ (2018). Accessed 2 Apr 2019
10. Piaw C.Y.: Mastering research methods. McGraw-Hill education (Malaysia), Shah Alam (2016)
11. Rouse M.: Drone (Unmanned aerial vehicle, UAV). Tech target. https://internetofthingsagenda.
techtarget.com/definition/drone (2016). Accessed 14 Mar 2019
12. Shakhatreh H. et al.: Unmanned aerial vehicles: A survey on civil. Arvix. https://arxiv.org/pdf/
1805.00881.pdf (2018). Accessed 2 Apr 2019
13. Singh S.: Sampling techniques. Towards data science. https://towardsdatascience.com/sam
pling-techniques-a4e34111d808 (2018). Accessed 20 May 2019
14. Venier S., Laukyte M.: Protection or danger from above? The use of drones in emergency,
defence and security operations. GSDM global. https://gsdm.global/use-of-drones-in-emerge
ncy-defence-and-security.operations/ (2018). Accessed 18 Mar 2019