Analysis of information sources in references of the Wikipedia article "Tabel periodik" in Indonesian language version.
|pmid=
(bantuan).|bibcode=
(bantuan), PMID 21378810|pmid=
(bantuan).|bibcode=
(bantuan), PMID 21378810It is high time that the idea of group 3 consisting of Sc, Y, La and Ac is abandoned
It is high time that the idea of group 3 consisting of Sc, Y, La and Ac is abandoned