THANH, Đỗ Văn.
 Kiềm hiếm - Li, Rb, Cs của trường Pecmatit Thạch Khoán.
<strong>VNU Journal of Science: Natural Sciences and Technology</strong>, [S.l.], v. 1, n. 4, dec. 1985.
ISSN 2588-1140.
Available at: &lt;<a href="https://js.vnu.edu.vn/NST/article/view/4102" target="_new">https://js.vnu.edu.vn/NST/article/view/4102</a>&gt;. Date accessed: 22 nov. 2024.