Llanes, Ruth Grace B.  <br/><br/>
Water sanitation and hygiene practices correlates to health and safety management in district IV division of Manila:  basis for intervention scheme/ 
Ruth Grace B. Llanes 
 - Manila:  Eulogio "Amang" Rodriguez Institute of Science and Technology  2024 
 - xix, 283 p.;  28 cm. 
<br/><br/> Thesis (Master of Arts in Education major in Administration and Supervision)--Eulogio "Amang" Rodriguez Institute of Science and Technology, Manila, 2024. 
<br/><br/>Bibliography: pages 144-151. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children--Health and hygiene.<br/>School supervision.