Deborah Linder. (2017, 27 December). Why are so many of our pets overweight? Retrieved February 3, 2018, from https://theconversation.com/why-are-so-many-of-our-pets-overweight-85958
Pete Wedderburn. (2017, 27 December). Why have our pets become so fat? Retrieved February 3, 2018, from http://www.telegraph.co.uk/journalists/pete-wedderburn/11504764/Why-have-our-pets-become-so-fat.html
Clinical survey; Overweight Pet. Retrieved February 3, 2018, from https://petobesityprevention.org/
The Institute for the Promotion of Teaching Science and Technology (IPST), Ministry of Education, a non-profit organization under the Thai government, developed SciMath as a website that provides educational resources in Science, Mathematics and Technology. IPST invites visitors to use its online resources for personal, educational and other non-commercial purpose. If there are any problems, please contact us immediately.