Underground coal mining technology

Sonraí bibleagrafaíochta
Rannpháirtithe:	Kumar, Sunil (Eagarthóir)
Formáid:	LEABHAR
Teanga:	Béarla
Foilsithe / Cruthaithe:	New Delhi, India Random Publications LLP [2022]
Ábhair:	Coal mines and mining.