HIEN, Nguyen Thi Thu; 						NGAN, Hoang Thi.
 Fluctuations of Estradiol and Progesterone in Phan Rang Sheep During the Estrous Cycle.
<strong>VNU Journal of Science: Natural Sciences and Technology</strong>, [S.l.], v. 42, n. 3, aug. 2026.
ISSN 2588-1140.
Available at: &lt;<a href="https://js.vnu.edu.vn/NST/article/view/5978" target="_new">https://js.vnu.edu.vn/NST/article/view/5978</a>&gt;. Date accessed: 23 oct. 2026.
doi: <a href="https://doi.org/10.25073/2588-1140/vnunst.5978">https://doi.org/10.25073/2588-1140/vnunst.5978</a>.