Summary goes here
সংরক্ষণ করুন:
| বিন্যাস: | গ্রন্থ |
|---|---|
| ভাষা: | ইংরেজি |
| বিষয়গুলি: | |
| ট্যাগগুলো: |
ট্যাগ যুক্ত করুন
কোনো ট্যাগ নেই, প্রথমজন হিসাবে ট্যাগ করুন!
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| era | |
|---|---|
| format | Book |
| genre | |
| geographic | |
| id | daf4591c-e555-407d-83d0-dfb4b1b4e5c4 |
| isbn | |
| issn | |
| language | eng |
| physical | 1 volume (various pagings) :illustrations ;27 cm. |
| publication | – publisher: US Dept of Labor Mine Safety and Health Administration National Mine Health and Safety Academy dateOfPublication: 2007 |
| publishDate | 2007 |
| subjects | |
| title | Introduction to underground coal mining : a programmed text. |
| topic | Coal mines and mining Mine safety Coal mines and mining Mine safety United States Programmed Instruction programmed textbooks. Programmed instructional materials Programmed instructional materials. |