Please find the "Puberphonia Kumaresan Remedy: Boys talking in a child’s or lady’s voice" title online stores active links for your reference.
ebooks2go: https://www.ebooks2go.com/medical/puberphonia-kumaresan-remedy
Google Play: https://play.google.com/store/books/details/Dr_M_Kumaresan_Puberphonia_Kumaresan_Remedy_Boys_t?id=JsYVEQAAQBAJ
Kobo: https://www.kobo.com/in/en/ebook/puberphonia-kumaresan-remedy-boys-talking-in-a-child-s-or-lady-s-voice
Apple: https://books.apple.com/us/book/puberphonia-kumaresan-remedy-boys-talking-in-a/id6572299098
Amazon: https://www.amazon.in/dp/B0DB5L7K3D
Thanks,