Gaya APA
Singh, Pratibha. (2020).
Environmental geochemistry .
:
IG Library.
Gaya Chicago
Singh, Pratibha.
Environmental geochemistry.
:
IG Library,
2020.
Electronic Resources.
Gaya MLA
Singh, Pratibha.
Environmental geochemistry.
:
IG Library,
2020.
Electronic Resources.
Gaya Turabian
Singh, Pratibha.
Environmental geochemistry.
:
IG Library,
2020.
Electronic Resources.