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Vol 10, No 2 (2021)

Open Access Open Access  Restricted Access Subscription or Fee Access

Table of Contents

Research Article

Song-Chol Choe, Hyon-U Pak, Byong-Chol Chae, Song-Hyok Kim, Ok-Sim Choe
PDF
11-34
Yon- Gyong An, Kon-yong Kim, Il-Chon Pak, Chol-Nam Rim, Chol Hun Yun, Myong Jin Jon
PDF
44-46

Review Article

Gyanendra kumar Gupta, Gagan Devi
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1-10
Gyanendra kumar Gupta, Gagan Devi
PDF
11-25

Case Study

Mohammad Shakeel Ansari, Fazlur Rehman
PDF
35-41