Okeke, Uloaku, Eucharia Oluchi Nwaichi, and Princewill Chukwuemeka Stanley. “Finding a Balance Between Mood and Energy Level in a Rotational Work System”. Journal of Complementary and Alternative Medical Research 16, no. 4 (November 17, 2021): 113-120. Accessed November 28, 2021. https://journaljocamr.com/index.php/JOCAMR/article/view/30301.