Droplet vitrification

liquid droplet method

Liquid-droplet method

Modified droplet vitrification

single droplet method

vitrifacation =vitrification

Vitrification method

force method method

Method of instruction; Teaching method; Method of teaching

Method of teaching; Teaching method; Method of instruction

Teaching method; Method of teaching; Method of instruction

case history method; case method; case study method

method of instruction; method of teaching; teaching method

right-wrong method; true-false method; yes-no method

Right-wrong method; Yes-no method; True-false method

True-false method; Right-wrong method; Yes-no method

Yes-no method; Right-wrong method; True-false method

accidental teaching method; incidental teaching method

Accidental teaching method;Incidental teaching method